{
  "schema_version": 1,
  "title": "Parts and ports: selected source-unit audit",
  "source": {
    "id": "SysMLLanguage",
    "language": "SysML",
    "version": "2.0",
    "file": "SysML-Language.pdf",
    "url": "https://www.omg.org/spec/SysML/2.0/Language/PDF",
    "omg_file_id": "formal/2026-03-02",
    "bytes": 3804140,
    "sha256": "46e6c0476a6f1f34f367d57e039d56659bff75e41d2e4b3d37ca4cadea84a83a",
    "retrieved_on": "2026-10-21",
    "publisher": "Object Management Group"
  },
  "scope": "All eight Table 9 cells, four Table 10 cells and the 18 parts / 20 ports graphical-production occurrences. Every selected local alternative has a representative asset, a partial match with explicit limits, or a documented deferral. This is not whole-language coverage or renderer conformance.",
  "method": "Visually inspected pinned source pages alongside text extraction. LocalAlternativesAudited means that the explicit forms in the selected source unit, imported dependencies and source issues have been recorded and assigned a rendering disposition. It does not mean all dependency productions, model combinations or rendering cases are implemented. Source-cell and production counts stay separate.",
  "units": [
    {
      "id": "table-10/cell-1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        94
      ],
      "printed_pages": [
        62
      ],
      "dependencies": [
        "Table examples demonstrate alternatives; not an exhaustive prefix-combination grammar."
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-port-definition",
          "geometry": "Sharp-corner rectangular node",
          "line_style": "Solid unless stated otherwise",
          "labels": "Port definition keyword and name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "port-definition-with-compartments",
          "geometry": "Sharp-corner rectangle with compartment stack",
          "line_style": "Solid unless stated otherwise",
          "labels": "Definition header plus compartment headings",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports"
          ],
          "deferred_reason": "Only a two-row ports compartment is supplied; generalized compartments and nested boundary layout remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "table-10/cell-2",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        94
      ],
      "printed_pages": [
        62
      ],
      "dependencies": [
        "Table examples demonstrate alternatives; not an exhaustive prefix-combination grammar."
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-full-port-usage",
          "geometry": "Rounded rectangular node",
          "line_style": "Solid unless stated otherwise",
          "labels": "«port» and editable name/type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        },
        {
          "id": "full-port-with-compartments",
          "geometry": "Rounded host and compartment stack",
          "line_style": "Solid unless stated otherwise",
          "labels": "Header and compartment labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage-ports"
          ],
          "deferred_reason": "Only a two-row ports compartment is supplied; generalized compartments and nested boundary layout remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "table-10/cell-3",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        94
      ],
      "printed_pages": [
        62
      ],
      "dependencies": [
        "7.12.3",
        "Table examples demonstrate alternatives; not an exhaustive prefix-combination grammar."
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "ports-compartment-prefix",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Inherited member prefix ^",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-cardinality",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Multiplicity, ordered and nonunique",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-redefinition",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "redefines and :>> forms, including target-only :>> entry",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-subsetting",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "subsets and :> forms",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-value",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Equals/value example",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-reference",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "ref prefix",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-name-only",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Untyped name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "ports-compartment-conjugation",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Type prefixed with ~",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "7.12.3"
          ]
        },
        {
          "id": "ports-compartment-elision",
          "geometry": "Text list",
          "line_style": "Solid unless stated otherwise",
          "labels": "Trailing ellipsis",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the literal trailing elision marker in the selected ports compartment."
        }
      ]
    },
    {
      "id": "table-10/cell-4",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        94
      ],
      "printed_pages": [
        62
      ],
      "dependencies": [
        "8.2.3.11/directed-features-compartment/1",
        "Table examples demonstrate alternatives; not an exhaustive prefix-combination grammar."
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "directed-attributes-in-out-inout",
          "geometry": "Text compartment with horizontal divider",
          "line_style": "Solid unless stated otherwise",
          "labels": "Italic directed features heading and in/out/inout attribute rows",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.11/directed-features-compartment/1"
          ]
        },
        {
          "id": "directed-items-in-out-inout",
          "geometry": "Same compartment",
          "line_style": "Solid unless stated otherwise",
          "labels": "in/out/inout item rows and optional ellipsis",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.11/directed-features-compartment/1"
          ]
        }
      ]
    },
    {
      "id": "table-9/cell-1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        90
      ],
      "printed_pages": [
        58
      ],
      "dependencies": [
        "compartment-stack",
        "part-def"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-definition",
          "geometry": "sharp rectangle",
          "line_style": "solid",
          "labels": "part def keyword and definition name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        },
        {
          "id": "definition-with-compartments",
          "geometry": "sharp rectangle with horizontal separator, compartment stack and lower-left ellipsis",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts"
          ],
          "deferred_reason": "Only the named parts compartment is supplied; arbitrary compartment stacks, boundary ports and interconnection contents remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "table-9/cell-2",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        91
      ],
      "printed_pages": [
        59
      ],
      "dependencies": [
        "compartment-stack",
        "part"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-usage",
          "geometry": "rounded rectangle",
          "line_style": "solid",
          "labels": "part keyword and usage : definition",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-usage"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        },
        {
          "id": "usage-with-compartments",
          "geometry": "rounded rectangle with horizontal separator and lower-left ellipsis",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-usage-parts"
          ],
          "deferred_reason": "Only a two-row parts compartment is supplied; other compartments, nesting and boundary composition remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "table-9/cell-3",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        91
      ],
      "printed_pages": [
        59
      ],
      "dependencies": [
        "8.2.3.12/port-l/1",
        "8.2.3.12/port-r/1",
        "port-name-compartment"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "nested-boundary-ports",
          "geometry": "rounded part boundary, elongated rounded p0 port containing three smaller boundary ports; two independent right-edge ports",
          "line_style": "solid",
          "labels": "p0 label rotated; child labels outside left; undirected labels inside right",
          "context": "p0 contains p1/p2/p3; p4/p5 are siblings",
          "represented_by": [],
          "deferred_reason": "Requires nested-port composition and directed port glyph variants.",
          "dependencies": []
        },
        {
          "id": "incoming-child-port",
          "geometry": "small rounded square with right-pointing arrow",
          "line_style": "solid",
          "labels": "p1 : PortDef1",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-right"
          ],
          "deferred_reason": "Arrow-bearing child geometry only; elongated containing port, nested placement and direction-selection semantics remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "outgoing-child-port",
          "geometry": "small rounded square with left-pointing arrow",
          "line_style": "solid",
          "labels": "p2 : PortDef2",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-left"
          ],
          "deferred_reason": "Arrow-bearing child geometry only; elongated containing port, nested placement and direction-selection semantics remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "bidirectional-ports",
          "geometry": "elongated p0 and small p3 glyph contain opposed arrows",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-horizontal-both"
          ],
          "deferred_reason": "Arrow-bearing child geometry only; elongated containing port, nested placement and direction-selection semantics remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "undirected-right-port",
          "geometry": "small rounded square on right boundary",
          "line_style": "solid",
          "labels": "p4 / p5 name and type",
          "context": "Primitive glyph only; host composition and labels deferred",
          "represented_by": [
            "port-glyph"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the undirected outline shown by the representative table; the separate boundary grammar includes pdh/pdv, so this is not a full boundary-production implementation."
        }
      ]
    },
    {
      "id": "table-9/cell-4",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        91
      ],
      "printed_pages": [
        59
      ],
      "dependencies": [
        "binding",
        "connection-graphical",
        "interconnection-view",
        "part",
        "port-l",
        "port-r"
      ],
      "source_issues": [
        "Drawing locates p5 on part3; last textual binding identifies part2.p5. No silent correction."
      ],
      "alternatives": [
        {
          "id": "nested-interconnection",
          "geometry": "outer rounded part; two rounded internal parts; boundary ports and three linking segments",
          "line_style": "solid",
          "labels": "part/name/type; port labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Composed interconnection example absent; primitive assets do not represent the complete source alternative.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "table-9/cell-5",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        91
      ],
      "printed_pages": [
        59
      ],
      "dependencies": [
        "8.2.3.17",
        "composite-feature-membership",
        "reference-subsetting"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "owned-performance",
          "geometry": "part above perform-action rounded node with hollow diamond at owning part end",
          "line_style": "solid",
          "labels": "perform action keyword",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Perform action node and membership edge absent.",
          "dependencies": []
        },
        {
          "id": "external-performance",
          "geometry": "part above separately declared action; directed solid line labelled perform",
          "line_style": "solid",
          "labels": "action keyword; perform relationship keyword",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Perform relationship asset absent.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "table-9/cell-6",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        92
      ],
      "printed_pages": [
        60
      ],
      "dependencies": [
        "8.2.3.17",
        "composite-feature-membership",
        "reference-subsetting"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "explicit-reference-subsetting-performance",
          "geometry": "hollow-diamond ownership edge from part to perform-action node; solid reference-subsetting edge to separately declared action with open triangle and adjacent dotted adornment",
          "line_style": "solid",
          "labels": "distinct action1 and action3 names/types",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Action membership and reference-subsetting assets absent.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "table-9/cell-7",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        92
      ],
      "printed_pages": [
        60
      ],
      "dependencies": [
        "8.2.3.17",
        "succession",
        "Caption says flows; textual then denotes succession. Do not claim item-flow notation."
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "action-flow-compartment",
          "geometry": "rounded part with separated italic action-flow compartment; two rounded perform nodes joined downward by dashed open-arrow succession",
          "line_style": "solid nodes; dashed succession",
          "labels": "perform action keywords",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Action-flow compartment and succession assets absent.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "table-9/cell-8",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        92
      ],
      "printed_pages": [
        60
      ],
      "dependencies": [
        "OccurrenceUsagePrefix",
        "UsageDeclaration",
        "ValuePart",
        "el-prefix",
        "parts-compartment",
        "usage-cp"
      ],
      "source_issues": [
        "Imported usage-cp prints usageDeclaration, whereas the textual grammar declares UsageDeclaration; no silent normalization."
      ],
      "alternatives": [
        {
          "id": "inherited-entry",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "caret before name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "ordered-nonunique-multiplicity",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "range multiplicity followed by ordered and nonunique",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "redefinition-keyword",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name/type followed by redefines target",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "redefinition-symbol",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name/type followed by :>> target",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "anonymous-redefinition",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": ":>> target without new name/type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "subsetting-keyword",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name/type and multiplicity followed by subsets target",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "subsetting-symbol",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name/type and multiplicity followed by :> target",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "value-binding",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name = referenced value",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "referential-entry",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "ref before usage name/type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "The example row explicitly shows ref spare : Wheel[0..1]; other declaration text is caller-supplied."
        },
        {
          "id": "name-only-entry",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "name without displayed type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Parts textual compartment and semantic label formatter absent.",
          "dependencies": []
        },
        {
          "id": "omitted-members",
          "geometry": "text row in sharp rectangular compartment with italic parts header",
          "line_style": "solid",
          "labels": "ellipsis below listed members",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts",
            "part-usage-parts"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the literal trailing elision marker in the selected parts compartment."
        }
      ]
    },
    {
      "id": "8.2.3.11/compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "directed-features-compartment",
        "interconnection-compartment",
        "parts-compartment"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "parts-compartment-choice",
          "geometry": "one of three contributed compartment alternatives",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts",
            "part-usage-parts"
          ],
          "deferred_reason": "Two literal rows and an elision marker only; arbitrary member selection, row counts, prefix/alias/value formatting and semantic checks remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "directed-features-choice",
          "geometry": "directed features compartment",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No complete renderer for this imported grammar; explicitly deferred.",
          "dependencies": []
        },
        {
          "id": "interconnection-choice",
          "geometry": "interconnection compartment",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No complete renderer for this imported grammar; explicitly deferred.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/definition-node/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        240
      ],
      "printed_pages": [
        208
      ],
      "dependencies": [
        "part-def"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "part-definition-alternative",
          "geometry": "partial production contributes part-def",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Only minimal silhouette represented",
          "represented_by": [
            "part-definition"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        }
      ]
    },
    {
      "id": "8.2.3.11/directed-features-compartment-contents/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "directed-features-compartment-element"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "directed-feature-rows",
          "geometry": "zero or more directed rows followed by optional ellipsis",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No row formatter.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/directed-features-compartment-element/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "Definition-Body-Item",
        "FeatureDirection",
        "el-prefix"
      ],
      "source_issues": [
        "el-prefix is mandatory here unlike optional parts-row prefix.",
        "Definition-Body-Item is printed; textual syntax defines DefinitionBodyItem. Do not silently equate."
      ],
      "alternatives": [
        {
          "id": "directed-feature-row",
          "geometry": "textual row of el-prefix, FeatureDirection and zero or more body items",
          "line_style": "solid",
          "labels": "in/out/inout imported direction",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Defer exact row formatting pending source ambiguity.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/directed-features-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "directed-features-compartment-contents"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "named-directed-features-compartment",
          "geometry": "horizontal separator; italic directed features title; contents",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Directed-features compartment asset absent.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/general-view/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "interconnection-view"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "interconnection-general-view",
          "geometry": "partial production makes interconnection-view a general-view alternative",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No standalone view implementation.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/interconnection-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "interconnection-view"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "named-interconnection-compartment",
          "geometry": "horizontal separator with italic interconnection title and graphical contents",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Compartment asset absent.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/interconnection-element/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        240
      ],
      "printed_pages": [
        208
      ],
      "dependencies": [
        "part",
        "part-ref"
      ],
      "source_issues": [
        "Source prints = followed by spaced |; preserve operator and flag."
      ],
      "alternatives": [
        {
          "id": "part-in-interconnection",
          "geometry": "part or part-ref as interconnection element",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No complete renderer for this imported grammar; explicitly deferred.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/interconnection-view/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "dependencies-and-annotations-element",
        "ellipsis-at-lower-left-corner",
        "interconnection-element"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "interconnection-elements",
          "geometry": "zero or more interconnection elements and dependencies/annotations with optional lower-left ellipsis",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "No complete composition engine; selected primitives only.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.11/part-def-name-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "DefinitionPrefix",
        "definition-name-with-alias"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "definition-name",
          "geometry": "keyword line followed by definition declaration and optional alias",
          "line_style": "solid",
          "labels": "DefinitionPrefix plus part def; definition-name-with-alias",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition"
          ],
          "deferred_reason": "Only empty-prefix, no-alias name example represented.",
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        }
      ]
    },
    {
      "id": "8.2.3.11/part-def/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        240,
        241
      ],
      "printed_pages": [
        208,
        209
      ],
      "dependencies": [
        "compartment-stack",
        "interconnection-view",
        "part-def-name-compartment",
        "port-b",
        "port-l",
        "port-r",
        "port-t"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "definition-envelope",
          "geometry": "sharp rectangle with top/bottom/left/right repeated boundary ports, name region, interconnection view and compartment stack",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts"
          ],
          "deferred_reason": "Only the named parts compartment is supplied; arbitrary compartment stacks, boundary ports and interconnection contents remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/part-name-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "OccurrenceUsagePrefix",
        "usage-name-with-alias"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "usage-name",
          "geometry": "prefix+part keyword line and name/type declaration with optional alias",
          "line_style": "solid",
          "labels": "OccurrenceUsagePrefix and usage-name-with-alias",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-usage",
            "part-reference"
          ],
          "deferred_reason": "Only basic composite/ref labels; other prefixes/aliases deferred.",
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        }
      ]
    },
    {
      "id": "8.2.3.11/part-ref/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "compartment-stack",
        "interconnection-view",
        "part-name-compartment",
        "port-b",
        "port-l",
        "port-r",
        "port-t"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "referential-part-envelope",
          "geometry": "dashed rounded rectangle with repeated ports on four sides, name, interconnection view and compartments",
          "line_style": "dashed",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-reference"
          ],
          "deferred_reason": "Only the minimal referential envelope is supplied; internal views and compartments remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/part/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "compartment-stack",
        "interconnection-view",
        "part-name-compartment",
        "port-b",
        "port-l",
        "port-r",
        "port-t"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "composite-part-envelope",
          "geometry": "solid rounded rectangle with four-side repeated ports, name region, interconnection view and compartment stack",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-usage-parts"
          ],
          "deferred_reason": "Only a two-row parts compartment is supplied; other compartments, nesting and boundary composition remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/parts-compartment-contents/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "parts-compartment-element"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "parts-rows",
          "geometry": "zero or more rows followed by optional ellipsis",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts",
            "part-usage-parts"
          ],
          "deferred_reason": "Two literal rows and an elision marker only; arbitrary member selection, row counts, prefix/alias/value formatting and semantic checks remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/parts-compartment-element/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "OccurrenceUsagePrefix",
        "el-prefix",
        "usage-cp"
      ],
      "source_issues": [
        "Imported usage-cp prints usageDeclaration, whereas the textual grammar declares UsageDeclaration; no silent normalization."
      ],
      "alternatives": [
        {
          "id": "parts-row",
          "geometry": "optional el-prefix (^ or /; slash meaning not established by this review) then occurrence usage prefix and declaration/value",
          "line_style": "solid",
          "labels": "caret or slash optional; imported prefixes/declaration/value",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts",
            "part-usage-parts"
          ],
          "deferred_reason": "Two literal rows and an elision marker only; arbitrary member selection, row counts, prefix/alias/value formatting and semantic checks remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/parts-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "parts-compartment-contents"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "named-parts-compartment",
          "geometry": "horizontal separator with italic parts title, then contents",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "part-definition-parts",
            "part-usage-parts"
          ],
          "deferred_reason": "Two literal rows and an elision marker only; arbitrary member selection, row counts, prefix/alias/value formatting and semantic checks remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.11/usage-node/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        241
      ],
      "printed_pages": [
        209
      ],
      "dependencies": [
        "part"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "part-usage-alternative",
          "geometry": "partial production contributes part",
          "line_style": "solid",
          "labels": "Labels and member selection follow the imported productions; generalized formatting is deferred.",
          "context": "Minimal example only",
          "represented_by": [
            "part-usage"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        }
      ]
    },
    {
      "id": "8.2.3.12/compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [
        "8.2.3.12/ports-compartment/1"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "ports-compartment-extension",
          "geometry": "Adds ports-compartment to compartment",
          "line_style": "Solid unless stated otherwise",
          "labels": "Inherited from ports-compartment",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": "Two literal example rows only; empty/arbitrary-length lists, formatted declarations, nesting and model semantics remain deferred.",
          "dependencies": [
            "8.2.3.12/ports-compartment/1"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.12/definition-node/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "8.2.3.12/port-def/1"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "port-definition-node-extension",
          "geometry": "Adds port-def to definition-node",
          "line_style": "Solid unless stated otherwise",
          "labels": "Inherited from port-def",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition"
          ],
          "deferred_reason": null,
          "dependencies": [
            "8.2.3.12/port-def/1"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.12/interconnection-element/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [
        "port",
        "port-def"
      ],
      "source_issues": [
        "Source uses port rather than declared port-usage; resolution not assumed."
      ],
      "alternatives": [
        {
          "id": "port-interconnection-extension",
          "geometry": "Adds port-def and source-spelled port to interconnection-element",
          "line_style": "Solid unless stated otherwise",
          "labels": "Dependent node labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Preserve source-spelled port; no silent substitution with port-usage.",
          "dependencies": [
            "port-def",
            "port"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/pdh/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [],
      "source_issues": [],
      "alternatives": [
        {
          "id": "horizontal-bidirectional",
          "geometry": "Horizontal double-headed open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-horizontal-both"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        },
        {
          "id": "horizontal-rightward",
          "geometry": "Horizontal right-pointing open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-right"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        },
        {
          "id": "horizontal-leftward",
          "geometry": "Horizontal left-pointing open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-left"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        }
      ]
    },
    {
      "id": "8.2.3.12/pdv/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [],
      "source_issues": [],
      "alternatives": [
        {
          "id": "vertical-bidirectional",
          "geometry": "Vertical double-headed open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-vertical-both"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        },
        {
          "id": "vertical-upward",
          "geometry": "Vertical up-pointing open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-up"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        },
        {
          "id": "vertical-downward",
          "geometry": "Vertical down-pointing open arrow",
          "line_style": "Solid open arrowhead strokes.",
          "labels": "No text",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-down"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Direction indicator geometry embedded in a boundary glyph; no direction is inferred from model features."
        }
      ]
    },
    {
      "id": "8.2.3.12/port-b/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        245
      ],
      "printed_pages": [
        213
      ],
      "dependencies": [
        "pdv",
        "port-b",
        "port-label",
        "proxy-h"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "boundary-b-solid",
          "geometry": "Small rounded glyph straddling host boundary with pdv",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside lower-right; nested form horizontal label inside, nested ports on bottom",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-up",
            "port-arrow-down",
            "port-arrow-vertical-both"
          ],
          "deferred_reason": "Glyphs are supplied; complete side-specific host boundary, label placement and model-context validation remain host responsibilities. The original four-side composition illustrates placement separately.",
          "dependencies": [
            "pdv",
            "port-label"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "boundary-b-reference",
          "geometry": "Dotted/dashed rounded glyph straddling host boundary with pdv",
          "line_style": "Broken outline (source note calls this dotted); host boundary and direction indication remain solid.",
          "labels": "outside lower-right; nested form horizontal label inside, nested ports on bottom",
          "context": "Only nested ports; source note PDF 246",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdv",
            "port-label"
          ]
        },
        {
          "id": "boundary-b-nested",
          "geometry": "Elongated rounded glyph straddling host boundary; repeated nested ports on same side; pdv",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside lower-right; nested form horizontal label inside, nested ports on bottom",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdv",
            "port-label",
            "port-b"
          ]
        },
        {
          "id": "boundary-b-proxy",
          "geometry": "Delegates to proxy-h",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-dependent proxy label",
          "context": "Only on part usage within interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "proxy-h"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-def-name-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "DefinitionPrefix",
        "definition-name-with-alias"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-definition-name",
          "geometry": "Header in sharp-corner host",
          "line_style": "Solid unless stated otherwise",
          "labels": "«port def» and editable definition name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "prefixed-aliased-definition-name",
          "geometry": "Same header area",
          "line_style": "Solid unless stated otherwise",
          "labels": "DefinitionPrefix and definition-name-with-alias",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "DefinitionPrefix",
            "definition-name-with-alias"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-def/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "port-b",
        "port-l",
        "port-r",
        "port-t"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-port-definition",
          "geometry": "Sharp-corner rectangular node",
          "line_style": "Solid unless stated otherwise",
          "labels": "Port definition keyword and name",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "port-definition-with-compartments",
          "geometry": "Sharp-corner rectangle with compartment stack",
          "line_style": "Solid unless stated otherwise",
          "labels": "Definition header plus compartment headings",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports"
          ],
          "deferred_reason": "Only a two-row ports compartment is supplied; generalized compartments and nested boundary layout remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "port-definition-with-boundary-ports",
          "geometry": "Sharp-corner host with zero or more ports on all four sides",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-specific boundary port labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "port-l",
            "port-r",
            "port-t",
            "port-b"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-l/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243,
        244
      ],
      "printed_pages": [
        211,
        212
      ],
      "dependencies": [
        "pdh",
        "port-l",
        "port-label",
        "proxy-v"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "boundary-l-solid",
          "geometry": "Small rounded glyph straddling host boundary with pdh",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-left; nested form vertical label inside, nested ports on left",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-left",
            "port-arrow-right",
            "port-arrow-horizontal-both"
          ],
          "deferred_reason": "Glyphs are supplied; complete side-specific host boundary, label placement and model-context validation remain host responsibilities. The original four-side composition illustrates placement separately.",
          "dependencies": [
            "pdh",
            "port-label"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "boundary-l-reference",
          "geometry": "Dotted/dashed rounded glyph straddling host boundary with pdh",
          "line_style": "Broken outline (source note calls this dotted); host boundary and direction indication remain solid.",
          "labels": "outside upper-left; nested form vertical label inside, nested ports on left",
          "context": "Only nested ports; source note PDF 246",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdh",
            "port-label"
          ]
        },
        {
          "id": "boundary-l-nested",
          "geometry": "Elongated rounded glyph straddling host boundary; repeated nested ports on same side; pdh",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-left; nested form vertical label inside, nested ports on left",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdh",
            "port-label",
            "port-l"
          ]
        },
        {
          "id": "boundary-l-proxy",
          "geometry": "Delegates to proxy-v",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-dependent proxy label",
          "context": "Only on part usage within interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "proxy-v"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-label/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        246
      ],
      "printed_pages": [
        214
      ],
      "dependencies": [],
      "source_issues": [],
      "alternatives": [
        {
          "id": "boundary-qualified-name",
          "geometry": "External or internal label according to side production",
          "line_style": "Solid unless stated otherwise",
          "labels": "QualifiedName",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        },
        {
          "id": "boundary-qualified-name-and-type",
          "geometry": "External or internal label according to side production",
          "line_style": "Solid unless stated otherwise",
          "labels": "QualifiedName : QualifiedName",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": []
        }
      ]
    },
    {
      "id": "8.2.3.12/port-name-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [
        "OccurrenceUsagePrefix",
        "usage-name-with-alias"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-usage-header",
          "geometry": "Rounded host header",
          "line_style": "Solid unless stated otherwise",
          "labels": "«port» and name/type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        },
        {
          "id": "prefixed-aliased-usage-header",
          "geometry": "Rounded host header",
          "line_style": "Solid unless stated otherwise",
          "labels": "OccurrenceUsagePrefix and usage-name-with-alias",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "OccurrenceUsagePrefix",
            "usage-name-with-alias"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-r/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        244,
        245
      ],
      "printed_pages": [
        212,
        213
      ],
      "dependencies": [
        "pdh",
        "port-label",
        "port-r",
        "proxy-v"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "boundary-r-solid",
          "geometry": "Small rounded glyph straddling host boundary with pdh",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-right; nested form vertical label inside, nested ports on right",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-left",
            "port-arrow-right",
            "port-arrow-horizontal-both"
          ],
          "deferred_reason": "Glyphs are supplied; complete side-specific host boundary, label placement and model-context validation remain host responsibilities. The original four-side composition illustrates placement separately.",
          "dependencies": [
            "pdh",
            "port-label"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "boundary-r-reference",
          "geometry": "Dotted/dashed rounded glyph straddling host boundary with pdh",
          "line_style": "Broken outline (source note calls this dotted); host boundary and direction indication remain solid.",
          "labels": "outside upper-right; nested form vertical label inside, nested ports on right",
          "context": "Only nested ports; source note PDF 246",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdh",
            "port-label"
          ]
        },
        {
          "id": "boundary-r-nested",
          "geometry": "Elongated rounded glyph straddling host boundary; repeated nested ports on same side; pdh",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-right; nested form vertical label inside, nested ports on right",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdh",
            "port-label",
            "port-r"
          ]
        },
        {
          "id": "boundary-r-proxy",
          "geometry": "Delegates to proxy-v",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-dependent proxy label",
          "context": "Only on part usage within interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "proxy-v"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-t/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        245
      ],
      "printed_pages": [
        213
      ],
      "dependencies": [
        "pdv",
        "port-label",
        "port-t",
        "proxy-h"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "boundary-t-solid",
          "geometry": "Small rounded glyph straddling host boundary with pdv",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-left; nested form horizontal label inside, nested ports on top",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-arrow-up",
            "port-arrow-down",
            "port-arrow-vertical-both"
          ],
          "deferred_reason": "Glyphs are supplied; complete side-specific host boundary, label placement and model-context validation remain host responsibilities. The original four-side composition illustrates placement separately.",
          "dependencies": [
            "pdv",
            "port-label"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "boundary-t-reference",
          "geometry": "Dotted/dashed rounded glyph straddling host boundary with pdv",
          "line_style": "Broken outline (source note calls this dotted); host boundary and direction indication remain solid.",
          "labels": "outside upper-left; nested form horizontal label inside, nested ports on top",
          "context": "Only nested ports; source note PDF 246",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdv",
            "port-label"
          ]
        },
        {
          "id": "boundary-t-nested",
          "geometry": "Elongated rounded glyph straddling host boundary; repeated nested ports on same side; pdv",
          "line_style": "Solid unless stated otherwise",
          "labels": "outside upper-left; nested form horizontal label inside, nested ports on top",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "pdv",
            "port-label",
            "port-t"
          ]
        },
        {
          "id": "boundary-t-proxy",
          "geometry": "Delegates to proxy-h",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-dependent proxy label",
          "context": "Only on part usage within interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "proxy-h"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/port-usage/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242,
        243
      ],
      "printed_pages": [
        210,
        211
      ],
      "dependencies": [
        "port-b",
        "port-l",
        "port-r",
        "port-t"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "minimal-full-port-usage",
          "geometry": "Rounded rectangular node",
          "line_style": "Solid unless stated otherwise",
          "labels": "«port» and editable name/type",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the minimal geometry and example label described here; each asset retains its own limitations."
        },
        {
          "id": "full-port-with-compartments",
          "geometry": "Rounded host and compartment stack",
          "line_style": "Solid unless stated otherwise",
          "labels": "Header and compartment labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage-ports"
          ],
          "deferred_reason": "Only a two-row ports compartment is supplied; generalized compartments and nested boundary layout remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "full-port-with-nested-ports",
          "geometry": "Rounded host with repeated ports on any side",
          "line_style": "Solid unless stated otherwise",
          "labels": "Side-specific labels",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "port-l",
            "port-r",
            "port-t",
            "port-b"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/ports-compartment-contents/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [],
      "source_issues": [],
      "alternatives": [
        {
          "id": "ports-list-empty-or-repeated",
          "geometry": "Zero or more rows",
          "line_style": "Solid unless stated otherwise",
          "labels": "ports-compartment-element repeated",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": "Two literal example rows only; empty/arbitrary-length lists, formatted declarations, nesting and model semantics remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        },
        {
          "id": "ports-list-ellipsis",
          "geometry": "List with optional trailing ellipsis",
          "line_style": "Solid unless stated otherwise",
          "labels": "…",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": null,
          "dependencies": [],
          "representation_scope": "Only the literal trailing elision marker in the selected ports compartment."
        }
      ]
    },
    {
      "id": "8.2.3.12/ports-compartment-element/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [
        "OccurrenceUsagePrefix",
        "el-prefix",
        "usage-cp"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "ports-list-entry",
          "geometry": "Text row",
          "line_style": "Solid unless stated otherwise",
          "labels": "Optional el-prefix, OccurrenceUsagePrefix, usage-cp",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": "Two literal example rows only; empty/arbitrary-length lists, formatted declarations, nesting and model semantics remain deferred.",
          "dependencies": [
            "el-prefix",
            "OccurrenceUsagePrefix",
            "usage-cp"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.12/ports-compartment/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        243
      ],
      "printed_pages": [
        211
      ],
      "dependencies": [],
      "source_issues": [],
      "alternatives": [
        {
          "id": "ports-compartment",
          "geometry": "Compartment divider and contents region",
          "line_style": "Solid unless stated otherwise",
          "labels": "Italic ports heading and list contents",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-definition-ports",
            "port-usage-ports"
          ],
          "deferred_reason": "Two literal example rows only; empty/arbitrary-length lists, formatted declarations, nesting and model semantics remain deferred.",
          "dependencies": [],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    },
    {
      "id": "8.2.3.12/proxy-h/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        246
      ],
      "printed_pages": [
        214
      ],
      "dependencies": [
        "8.2.3.9/proxy-label/1"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "horizontal-proxy-label-right",
          "geometry": "Filled dot crossed by horizontal host boundary",
          "line_style": "Solid unless stated otherwise",
          "labels": "proxy-label to right",
          "context": "Only on a part usage within an interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.9/proxy-label/1"
          ]
        },
        {
          "id": "horizontal-proxy-label-left",
          "geometry": "Filled dot crossed by horizontal host boundary",
          "line_style": "Solid unless stated otherwise",
          "labels": "proxy-label to left",
          "context": "Only on a part usage within an interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.9/proxy-label/1"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/proxy-v/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        246
      ],
      "printed_pages": [
        214
      ],
      "dependencies": [
        "8.2.3.9/proxy-label/1"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "vertical-proxy-label-right",
          "geometry": "Filled dot crossed by vertical host boundary",
          "line_style": "Solid unless stated otherwise",
          "labels": "proxy-label to right",
          "context": "Only on a part usage within an interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.9/proxy-label/1"
          ]
        },
        {
          "id": "vertical-proxy-label-left",
          "geometry": "Filled dot crossed by vertical host boundary",
          "line_style": "Solid unless stated otherwise",
          "labels": "proxy-label to left",
          "context": "Only on a part usage within an interconnection view",
          "represented_by": [],
          "deferred_reason": "Requires layout, label parsing or context handling not provided by existing components.",
          "dependencies": [
            "8.2.3.9/proxy-label/1"
          ]
        }
      ]
    },
    {
      "id": "8.2.3.12/usage-node/1",
      "review_status": "LocalAlternativesAudited",
      "source_pages": [
        242
      ],
      "printed_pages": [
        210
      ],
      "dependencies": [
        "8.2.3.12/port-usage/1"
      ],
      "source_issues": [],
      "alternatives": [
        {
          "id": "port-usage-node-extension",
          "geometry": "Adds port-usage to usage-node",
          "line_style": "Solid unless stated otherwise",
          "labels": "Inherited from port-usage",
          "context": "Within the containing part/port production and its declared modeling context; no model validity is inferred.",
          "represented_by": [
            "port-usage"
          ],
          "deferred_reason": null,
          "dependencies": [
            "8.2.3.12/port-usage/1"
          ],
          "representation_scope": "Only the named component geometry and shown example text; no model or generalized grammar validation."
        }
      ]
    }
  ]
}