{
  "schema_version": 1,
  "status": "Editorial summaries of pinned XMI; not normative quotations",
  "properties": [
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Classifiers-Classifier-ownedSubclassification",
      "description": "The subclassification relationships owned here that identify this classifier as the more specific classifier."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-chainingFeature",
      "description": "The ordered features whose successive navigation determines this feature\u2019s modeled values."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-crossFeature",
      "description": "The navigational feature constraining collections reached across the other ends of the same owning type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-direction",
      "description": "Describes whether modeled feature values serve as inputs, outputs, or both."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-endOwningType",
      "description": "The type owning this feature through an end-feature membership."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-featureTarget",
      "description": "The final feature in this feature\u2019s navigation chain, or this feature when no chain exists."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-featuringType",
      "description": "The types that every domain instance from which this feature is evaluated must satisfy."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isComposite",
      "description": "Makes modeled values dependent on their featuring instance for continued existence and exclusive to that instance across composite features."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isConstant",
      "description": "Keeps the modeled value unchanged across snapshots even when the feature is variable."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isDerived",
      "description": "Indicates that modeled values of this feature are always computable from other feature values."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isEnd",
      "description": "Marks a feature as an end, mapping each domain instance to one value; navigation cardinality can additionally be constrained through its cross feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isOrdered",
      "description": "Records whether the modeled feature values have a meaningful sequence."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isPortion",
      "description": "Indicates that modeled values are spatial or temporal portions of their domain instance and represent that same thing."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isUnique",
      "description": "Requires the modeled collection of feature values to contain no repeated values when true."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-isVariable",
      "description": "Allows the modeled feature value to differ between snapshots of an occurrence owning type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedCrossSubsetting",
      "description": "The optional owned cross-subsetting relationship specifying this feature\u2019s cross-navigation constraint."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedFeatureChaining",
      "description": "The owned relationships specifying the ordered steps used to navigate this feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedFeatureInverting",
      "description": "The owned relationships that give this feature an inverse navigation interpretation."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedRedefinition",
      "description": "The owned subsetting relationships that replace inherited features with this redefining feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedReferenceSubsetting",
      "description": "The optional owned reference-subsetting relationship identifying the feature referenced by this feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedSubsetting",
      "description": "The owned specializations that constrain this feature to select values from another feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedTypeFeaturing",
      "description": "The owned type-featuring relationships that explicitly identify contexts featuring this feature."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-ownedTyping",
      "description": "The owned feature-typing relationships that constrain the types of this feature\u2019s modeled values."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-owningFeatureMembership",
      "description": "The membership that owns this feature as a feature of its owning type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-owningType",
      "description": "The type that owns this feature through its owning feature membership."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Features-Feature-type",
      "description": "The types that every modeled value of this feature must satisfy, including types obtained through specialization and chaining."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-differencingType",
      "description": "The ordered types defining this type as the first type\u2019s interpretations minus those of subsequent types."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-directedFeature",
      "description": "The features of this type with an explicit direction."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-endFeature",
      "description": "The features of this type marked as ends."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-feature",
      "description": "The features available through this type\u2019s feature memberships, including inherited features."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-featureMembership",
      "description": "The owned and inherited feature memberships of this type, excluding imported memberships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-inheritedFeature",
      "description": "The features obtained through inherited feature memberships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-inheritedMembership",
      "description": "The memberships made available to this type by specialization or conjugation."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-input",
      "description": "The features of this type directed into the type, including bidirectional features."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-intersectingType",
      "description": "The types whose shared interpretations define this type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-isAbstract",
      "description": "Requires every instance of this type to also instantiate a more specialized type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-isConjugated",
      "description": "Records whether this type owns a conjugation as its conjugator."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-isSufficient",
      "description": "Makes satisfying this type\u2019s classification conditions sufficient for classification by the type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-multiplicity",
      "description": "The owned multiplicity constraining this type\u2019s modeled cardinality; without one, applicable supertype multiplicities still constrain it."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-output",
      "description": "The features of this type directed out of the type, including bidirectional features."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedConjugator",
      "description": "The optional conjugation owned here that treats this type as the original type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedDifferencing",
      "description": "The owned difference relationships defining this type as their difference result."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedDisjoining",
      "description": "The owned disjointness relationships constraining this type against other types."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedEndFeature",
      "description": "The end features introduced through memberships owned by this type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedFeature",
      "description": "The features introduced through feature memberships owned by this type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedFeatureMembership",
      "description": "The memberships owned here that introduce owned features of this type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedIntersecting",
      "description": "The owned intersection relationships defining this type as their intersection result."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedSpecialization",
      "description": "The owned specialization relationships in which this type is the more specific type."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-ownedUnioning",
      "description": "The owned union relationships defining this type as their union result."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Core-Types-Type-unioningType",
      "description": "The types whose combined interpretations equal this type\u2019s interpretation."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-association",
      "description": "The associations that classify the links identified by this connector."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-connectorEnd",
      "description": "The connector\u2019s end features, which redefine association ends and reference the connected features."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-defaultFeaturingType",
      "description": "The innermost shared featuring context of the related features that would satisfy the connector\u2019s type-featuring check, if one exists."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-relatedFeature",
      "description": "The features connected by this connector, obtained from the features referenced by its ends."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-sourceFeature",
      "description": "The first related feature, treated as the connector\u2019s source."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Kernel-Connectors-Connector-targetFeature",
      "description": "The related features after the first, treated as the connector\u2019s targets."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-aliasIds",
      "description": "Alternative identifiers for this element, typically supplied by tools."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-declaredName",
      "description": "The primary name explicitly supplied for this element."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-declaredShortName",
      "description": "An explicitly supplied compact alternative name whose contextual uniqueness is the modeler\u2019s responsibility."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-documentation",
      "description": "The documentation elements owned by this element."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-elementId",
      "description": "The tooling-assigned global identifier intended to remain stable for this element\u2019s lifetime."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-isImpliedIncluded",
      "description": "Records that all required implied owned relationships are included; false requires that none be included."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-isLibraryElement",
      "description": "Indicates that this element lies within the ownership tree of a library model."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-name",
      "description": "The effective name used for namespace lookup, which some element kinds compute rather than declare."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-ownedAnnotation",
      "description": "The annotation relationships owned here that annotate this element."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-ownedElement",
      "description": "The elements reached as owned related elements through this element\u2019s owned relationships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-ownedRelationship",
      "description": "The relationships owned by this element as their owning related element."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-owner",
      "description": "The owning related element reached through this element\u2019s owning relationship, which need not be a namespace."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-owningMembership",
      "description": "The relationship owning this element when that relationship is a membership."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-owningNamespace",
      "description": "The namespace obtained through this element\u2019s owning membership, when that ownership route exists."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-owningRelationship",
      "description": "The relationship that directly owns this element as a related element, if one exists."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-qualifiedName",
      "description": "The ownership-path name in KerML syntax, absent when the named ownership path or disambiguation conditions are not met."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-shortName",
      "description": "The effective compact name used for namespace lookup, which some element kinds compute rather than declare."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Element-textualRepresentation",
      "description": "The textual-representation annotations attached to this element."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-isImplied",
      "description": "Identifies a relationship introduced by tooling to satisfy language semantics rather than directly authored by a modeler."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-ownedRelatedElement",
      "description": "The participating elements directly owned by this relationship."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-owningRelatedElement",
      "description": "The participating element that owns this relationship, if present."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-relatedElement",
      "description": "The elements participating in the relationship, collected from its sources and targets."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-source",
      "description": "The participating elements treated as the relationship\u2019s origins."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Elements-Relationship-target",
      "description": "The participating elements treated as the relationship\u2019s destinations."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-importedMembership",
      "description": "The memberships made available by imports owned by this namespace."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-member",
      "description": "The elements available as members through this namespace\u2019s memberships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-membership",
      "description": "The memberships available in this namespace, including owned and imported memberships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-ownedImport",
      "description": "The import relationships owned by this namespace."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-ownedMember",
      "description": "The member elements owned through this namespace\u2019s owned memberships."
    },
    {
      "source": "https://www.omg.org/spec/KerML/20250201/KerML.xmi#Root-Namespaces-Namespace-ownedMembership",
      "description": "The memberships owned by this namespace."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Connections-ConnectionUsage-connectionDefinition",
      "description": "The association structures typing this connection usage, including compatible KerML library association structures."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-directedUsage",
      "description": "The usage features in this context that have an explicit direction."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-isVariation",
      "description": "Marks a variation point and requires its relevant memberships to be variant memberships."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedAction",
      "description": "The action usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedAllocation",
      "description": "The allocation usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedAnalysisCase",
      "description": "The analysis case usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedAttribute",
      "description": "The attribute usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedCalculation",
      "description": "The calculation usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedCase",
      "description": "The case usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedConcern",
      "description": "The concern usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedConnection",
      "description": "The connector-as-usages, including binding, succession and flow usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedConstraint",
      "description": "The constraint usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedEnumeration",
      "description": "The enumeration usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedFlow",
      "description": "The flow usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedInterface",
      "description": "The interface usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedItem",
      "description": "The item usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedMetadata",
      "description": "The metadata usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedOccurrence",
      "description": "The occurrence usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedPart",
      "description": "The part usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedPort",
      "description": "The port usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedReference",
      "description": "The reference usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedRendering",
      "description": "The rendering usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedRequirement",
      "description": "The requirement usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedState",
      "description": "The state usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedTransition",
      "description": "The transition usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedUsage",
      "description": "The usage features owned by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedUseCase",
      "description": "The use case usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedVerificationCase",
      "description": "The verification case usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedView",
      "description": "The view usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-ownedViewpoint",
      "description": "The viewpoint usages owned as features by this definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-usage",
      "description": "The usage features available in this context, including usages not owned here."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-variant",
      "description": "The usages offered as alternatives at this variation point; absent when it is not a variation point."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Definition-variantMembership",
      "description": "The owned memberships introducing variants, required to be empty outside a variation point."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-definition",
      "description": "The classifiers typing this usage, including compatible KerML classifiers as well as SysML definitions."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-directedUsage",
      "description": "The usage features in this context that have an explicit direction."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-isReference",
      "description": "The derived opposite of isComposite, identifying usage values without composite lifetime dependence."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-isVariation",
      "description": "Marks a variation point and requires its relevant memberships to be variant memberships."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-mayTimeVary",
      "description": "The derived replacement for Feature.isVariable indicating snapshot-based featuring; isConstant can still require the same value throughout an occurrence."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedAction",
      "description": "The action usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedAllocation",
      "description": "The allocation usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedAnalysisCase",
      "description": "The analysis case usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedAttribute",
      "description": "The attribute usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedCalculation",
      "description": "The calculation usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedCase",
      "description": "The case usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedConcern",
      "description": "The concern usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedConnection",
      "description": "The connector-as-usages, including binding, succession and flow usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedConstraint",
      "description": "The constraint usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedEnumeration",
      "description": "The enumeration usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedFlow",
      "description": "The flow usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedInterface",
      "description": "The interface usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedItem",
      "description": "The item usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedMetadata",
      "description": "The metadata usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedOccurrence",
      "description": "The occurrence usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedPart",
      "description": "The part usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedPort",
      "description": "The port usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedReference",
      "description": "The reference usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedRendering",
      "description": "The rendering usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedRequirement",
      "description": "The requirement usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedState",
      "description": "The state usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedTransition",
      "description": "The transition usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedUsage",
      "description": "The usage features owned by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedUseCase",
      "description": "The use case usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedVerificationCase",
      "description": "The verification case usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedView",
      "description": "The view usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-nestedViewpoint",
      "description": "The viewpoint usages owned as features by this usage."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-owningDefinition",
      "description": "The definition that directly owns this usage, when present."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-owningUsage",
      "description": "The enclosing usage that directly owns this nested usage, when present."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-usage",
      "description": "The usage features available in this context, including usages not owned here."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-variant",
      "description": "The usages offered as alternatives at this variation point; absent when it is not a variation point."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-DefinitionAndUsage-Usage-variantMembership",
      "description": "The owned memberships introducing variants, required to be empty outside a variation point."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Items-ItemUsage-itemDefinition",
      "description": "The structures typing this item usage, including compatible KerML library structures."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Occurrences-OccurrenceDefinition-isIndividual",
      "description": "Restricts this occurrence definition to classify at most one modeled thing."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Occurrences-OccurrenceUsage-individualDefinition",
      "description": "The optional occurrence definition typing this usage that is marked individual."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Occurrences-OccurrenceUsage-isIndividual",
      "description": "Identifies a usage of the specific individual designated by its individual definition."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Occurrences-OccurrenceUsage-occurrenceDefinition",
      "description": "The classes typing this occurrence usage, including compatible KerML library classes."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Occurrences-OccurrenceUsage-portionKind",
      "description": "Distinguishes a snapshot from a time slice of the featuring instance and requires an owning type when specified."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Parts-PartUsage-partDefinition",
      "description": "The part definitions among this part usage\u2019s item-definition types."
    },
    {
      "source": "https://www.omg.org/spec/SysML/20250201/SysML.xmi#Systems-Ports-PortUsage-portDefinition",
      "description": "The port definitions typing this port usage; all its occurrence-definition types must be port definitions."
    }
  ]
}