{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/Ajala111/owlcompare/main/docs/schema/diff-result.schema.json",
  "title": "owlcompare DiffResult",
  "description": "The JSON output of `owlcompare diff --format json`. Schema version 1 (Component 14). See docs/schema/diff-result.md for the human-readable companion and DD-019 for the compatibility policy.",
  "type": "object",
  "required": ["schema_version", "summary", "changes"],
  "additionalProperties": false,
  "properties": {
    "schema_version": {
      "description": "Output contract version. v1 is the shape locked by Component 14.",
      "const": 1
    },
    "summary": { "$ref": "#/$defs/Summary" },
    "changes": {
      "description": "Every change at every layer, in deterministic order. May be empty.",
      "type": "array",
      "items": { "$ref": "#/$defs/Change" }
    },
    "metadata": { "$ref": "#/$defs/Metadata" }
  },
  "$defs": {
    "Severity": {
      "description": "How a change affects downstream consumers (DD-008).",
      "enum": ["breaking", "non_breaking", "additive", "info"]
    },
    "Summary": {
      "description": "Headline counts. `added`/`removed` count Layer 0 triples; `total` counts all changes; `breaking` counts changes whose severity is breaking.",
      "type": "object",
      "required": ["added", "removed", "total", "breaking"],
      "additionalProperties": false,
      "properties": {
        "added": { "type": "integer", "minimum": 0 },
        "removed": { "type": "integer", "minimum": 0 },
        "total": { "type": "integer", "minimum": 0 },
        "breaking": { "type": "integer", "minimum": 0 }
      }
    },
    "Metadata": {
      "description": "Producer-side context. Permissive by design (Q1): tooling may add keys without a version bump. Only `severity_refinements` is emitted today; the other keys are reserved for known internal structures.",
      "type": "object",
      "additionalProperties": true,
      "properties": {
        "severity_refinements": {
          "type": "array",
          "items": { "$ref": "#/$defs/SeverityRefinement" }
        },
        "layer_counts": {
          "type": "object",
          "additionalProperties": { "type": "integer" }
        },
        "subsumption_registry": { "type": "object" },
        "rename_candidates": {
          "type": "array",
          "items": { "$ref": "#/$defs/RenameCandidate" }
        },
        "renames_applied": {
          "type": "array",
          "items": { "$ref": "#/$defs/RenameCandidate" }
        }
      }
    },
    "SeverityRefinement": {
      "description": "One audit-trail entry from the severity classifier (Component 10).",
      "type": "object",
      "required": [
        "change_id",
        "original_severity",
        "refined_severity",
        "rule_id",
        "rationale"
      ],
      "additionalProperties": false,
      "properties": {
        "change_id": { "type": "string" },
        "original_severity": { "$ref": "#/$defs/Severity" },
        "refined_severity": { "$ref": "#/$defs/Severity" },
        "rule_id": { "type": "string" },
        "rationale": { "type": "string" }
      }
    },
    "RenameCandidate": {
      "description": "A considered/accepted rename pairing (Components 11/12). Reserved metadata shape; not emitted in the JSON output today.",
      "type": "object",
      "required": [
        "removed_iri",
        "added_iri",
        "entity_kind",
        "confidence",
        "evidence",
        "score"
      ],
      "additionalProperties": false,
      "properties": {
        "removed_iri": { "type": "string" },
        "added_iri": { "type": "string" },
        "entity_kind": { "$ref": "#/$defs/RenameableKind" },
        "confidence": { "$ref": "#/$defs/RenameConfidence" },
        "evidence": { "type": "array", "items": { "type": "string" } },
        "score": { "type": "number", "minimum": 0.0, "maximum": 1.0 }
      }
    },
    "RenameableKind": {
      "enum": ["class", "object_property", "data_property", "annotation_property"]
    },
    "RenameConfidence": {
      "enum": ["certain", "high", "medium", "low"]
    },
    "ChangeIdList": {
      "description": "Change ids subsumed by a structural change. Expected unique by construction; uniqueness is not schema-enforced (Q3).",
      "type": "array",
      "items": { "type": "string" }
    },
    "RestrictionDecoded": {
      "description": "The decoded form of a reified restriction (Component 08).",
      "type": "object",
      "required": ["kind", "cardinality", "filler", "urn"],
      "additionalProperties": false,
      "properties": {
        "kind": { "type": "string" },
        "cardinality": { "type": ["integer", "null"] },
        "filler": { "type": ["string", "null"] },
        "urn": { "type": "string" }
      }
    },
    "AnnotationValue": {
      "description": "One annotation value: the literal text or IRI, plus whether it is an IRI.",
      "type": "object",
      "required": ["value", "is_iri_value"],
      "additionalProperties": false,
      "properties": {
        "value": { "type": "string" },
        "is_iri_value": { "type": "boolean" }
      }
    },
    "Change": {
      "description": "One difference between the two ontologies. The `details` object is constrained per `kind` by the allOf/if-then block below; unknown kinds (forward-compat) fall through with a permissive object.",
      "type": "object",
      "required": [
        "layer",
        "kind",
        "severity",
        "subject",
        "summary",
        "details",
        "before",
        "after"
      ],
      "additionalProperties": false,
      "properties": {
        "layer": { "enum": ["syntactic", "structural"] },
        "kind": { "type": "string" },
        "severity": { "$ref": "#/$defs/Severity" },
        "subject": { "type": ["string", "null"] },
        "summary": { "type": "string" },
        "details": { "type": "object" },
        "before": true,
        "after": true
      },
      "allOf": [
        {
          "if": {
            "properties": { "kind": { "enum": ["triple_added", "triple_removed"] } }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/SyntacticDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "class_added",
                  "class_removed",
                  "object_property_added",
                  "object_property_removed",
                  "data_property_added",
                  "data_property_removed",
                  "annotation_property_added",
                  "annotation_property_removed",
                  "individual_added",
                  "individual_removed",
                  "datatype_added",
                  "datatype_removed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/EntityDetails" } }
          }
        },
        {
          "if": { "properties": { "kind": { "const": "entity_kind_changed" } } },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/EntityKindChangedDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "class_parent_added",
                  "class_parent_removed",
                  "property_parent_added",
                  "property_parent_removed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ParentEdgeDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["class_reparented", "property_reparented"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ReparentDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "const": "class_hierarchy_cycle_introduced" }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/CycleDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "restriction_added",
                  "restriction_removed",
                  "restriction_changed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/RestrictionDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["domain_changed", "range_changed"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/DomainRangeChangedDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "domain_added",
                  "domain_removed",
                  "range_added",
                  "range_removed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/DomainRangeValueDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "equivalent_class_added",
                  "equivalent_class_removed",
                  "disjoint_added",
                  "disjoint_removed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/PairwiseClassDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["complement_set", "complement_unset"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ComplementDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "const": "complex_class_expression_changed" }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ComplexClassExpressionDetails" } }
          }
        },
        {
          "if": {
            "properties": { "kind": { "const": "annotation_changed" } }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/AnnotationChangedDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["annotation_added", "annotation_removed"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/AnnotationSingleDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["entity_deprecated", "entity_undeprecated"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/DeprecationDetails" } }
          }
        },
        {
          "if": {
            "properties": { "kind": { "const": "ontology_metadata_changed" } }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/OntologyMetadataDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "class_renamed",
                  "object_property_renamed",
                  "data_property_renamed",
                  "annotation_property_renamed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/RenameDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "domain_union_added",
                  "domain_union_removed",
                  "domain_union_changed",
                  "range_union_added",
                  "range_union_removed",
                  "range_union_changed",
                  "subclass_union_added",
                  "subclass_union_removed",
                  "subclass_union_changed",
                  "equivalent_class_union_added",
                  "equivalent_class_union_removed",
                  "equivalent_class_union_changed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ClassSetDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": {
                "enum": [
                  "datatype_facet_added",
                  "datatype_facet_removed",
                  "datatype_facet_changed",
                  "datatype_base_changed"
                ]
              }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/DatatypeFacetDetails" } }
          }
        },
        {
          "if": {
            "properties": {
              "kind": { "enum": ["replaced_by_set", "replaced_by_unset"] }
            }
          },
          "then": {
            "properties": { "details": { "$ref": "#/$defs/ReplacedByDetails" } }
          }
        }
      ]
    },
    "SyntacticDetails": {
      "description": "Layer 0 triple add/remove (Component 05). No `subsumes`: Layer 0 is the base.",
      "type": "object",
      "required": [
        "subject",
        "predicate",
        "object",
        "subject_iri",
        "predicate_iri",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "subject": { "type": "string" },
        "predicate": { "type": "string" },
        "object": { "type": "string" },
        "subject_iri": { "type": ["string", "null"] },
        "predicate_iri": { "type": ["string", "null"] },
        "change_id": { "type": "string" }
      }
    },
    "EntityDetails": {
      "description": "Entity add/remove (Component 06). `label`/`language` are always present, null when the entity has no label.",
      "type": "object",
      "required": ["entity_iri", "entity_kind", "label", "language", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "entity_kind": {
          "enum": [
            "class",
            "object_property",
            "data_property",
            "annotation_property",
            "individual",
            "datatype"
          ]
        },
        "label": { "type": ["string", "null"] },
        "language": { "type": ["string", "null"] },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "EntityKindChangedDetails": {
      "description": "An IRI that moved from one entity kind to another (Component 06).",
      "type": "object",
      "required": ["entity_iri", "from_kind", "to_kind", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "from_kind": { "type": "string" },
        "to_kind": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ParentEdgeDetails": {
      "description": "A single gained/lost parent edge (Component 07). `entity_kind` is the coarse `class`/`property` axis here, not the full entity kind.",
      "type": "object",
      "required": ["entity_iri", "entity_kind", "parent_iri", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "entity_kind": { "type": "string" },
        "parent_iri": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ReparentDetails": {
      "description": "A simultaneous parent gain and loss (Component 07).",
      "type": "object",
      "required": [
        "entity_iri",
        "entity_kind",
        "parents_before",
        "parents_after",
        "direction",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "entity_kind": { "type": "string" },
        "parents_before": { "type": "array", "items": { "type": "string" } },
        "parents_after": { "type": "array", "items": { "type": "string" } },
        "direction": { "enum": ["generalization", "specialization", "lateral"] },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "CycleDetails": {
      "description": "A subClassOf cycle a new edge introduced (Component 07).",
      "type": "object",
      "required": ["entity_iri", "path", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "path": { "type": "array", "items": { "type": "string" } },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "RestrictionDetails": {
      "description": "Restriction add/remove/change (Component 08). `before`/`after` carry the decoded restriction or null. `on_property` is null for restrictions not pinned to a property.",
      "type": "object",
      "required": [
        "entity_iri",
        "via_predicate",
        "on_property",
        "before",
        "after",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "via_predicate": { "type": "string" },
        "on_property": { "type": ["string", "null"] },
        "before": {
          "oneOf": [{ "$ref": "#/$defs/RestrictionDecoded" }, { "type": "null" }]
        },
        "after": {
          "oneOf": [{ "$ref": "#/$defs/RestrictionDecoded" }, { "type": "null" }]
        },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "DomainRangeChangedDetails": {
      "description": "A single-value domain/range swap (Component 08).",
      "type": "object",
      "required": ["property_iri", "before", "after", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "property_iri": { "type": "string" },
        "before": { "type": "string" },
        "after": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "DomainRangeValueDetails": {
      "description": "A single domain/range value added or removed when the property has multiple (Component 08). Uses `value`, not before/after.",
      "type": "object",
      "required": ["property_iri", "value", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "property_iri": { "type": "string" },
        "value": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "PairwiseClassDetails": {
      "description": "An equivalent-class or disjointness edge added/removed (Component 08).",
      "type": "object",
      "required": ["entity_iri", "other_iri", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "other_iri": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ComplementDetails": {
      "description": "An owl:complementOf target set or unset (Component 08).",
      "type": "object",
      "required": ["entity_iri", "before", "after", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "before": { "type": ["string", "null"] },
        "after": { "type": ["string", "null"] },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ComplexClassExpressionDetails": {
      "description": "The opaque fallback for nested/malformed class expressions (Component 08).",
      "type": "object",
      "required": ["entity_iri", "depth", "note", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "depth": { "type": "integer" },
        "note": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "AnnotationChangedDetails": {
      "description": "A single-value annotation swap (Component 09). `before`/`after` are AnnotationValue objects.",
      "type": "object",
      "required": [
        "entity_iri",
        "predicate_iri",
        "predicate_short",
        "language",
        "before",
        "after",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "predicate_iri": { "type": "string" },
        "predicate_short": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "before": { "$ref": "#/$defs/AnnotationValue" },
        "after": { "$ref": "#/$defs/AnnotationValue" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "AnnotationSingleDetails": {
      "description": "An annotation value added or removed (Component 09). Flat `value`/`is_iri_value`.",
      "type": "object",
      "required": [
        "entity_iri",
        "predicate_iri",
        "predicate_short",
        "language",
        "value",
        "is_iri_value",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "predicate_iri": { "type": "string" },
        "predicate_short": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "value": { "type": "string" },
        "is_iri_value": { "type": "boolean" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "DeprecationDetails": {
      "description": "An owl:deprecated true flip (Component 09).",
      "type": "object",
      "required": ["entity_iri", "subsumes", "change_id"],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "OntologyMetadataDetails": {
      "description": "An annotation edit on the owl:Ontology subject (Component 09). `before`/`after` are AnnotationValue objects or null.",
      "type": "object",
      "required": [
        "ontology_iri",
        "predicate_iri",
        "predicate_short",
        "language",
        "before",
        "after",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "ontology_iri": { "type": "string" },
        "predicate_iri": { "type": "string" },
        "predicate_short": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "before": {
          "oneOf": [{ "$ref": "#/$defs/AnnotationValue" }, { "type": "null" }]
        },
        "after": {
          "oneOf": [{ "$ref": "#/$defs/AnnotationValue" }, { "type": "null" }]
        },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "RenameDetails": {
      "description": "A consolidated rename (Components 11/12). `subsumes` holds the paired add/remove ids; `cascade_subsumes` holds the cascade-consequence ids.",
      "type": "object",
      "required": [
        "before_iri",
        "after_iri",
        "entity_kind",
        "confidence",
        "score",
        "evidence",
        "cascade_subsumes",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "before_iri": { "type": "string" },
        "after_iri": { "type": "string" },
        "entity_kind": { "$ref": "#/$defs/RenameableKind" },
        "confidence": { "$ref": "#/$defs/RenameConfidence" },
        "score": { "type": "number", "minimum": 0.0, "maximum": 1.0 },
        "evidence": { "type": "array", "items": { "type": "string" } },
        "cascade_subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ClassSetDetails": {
      "description": "An anonymous owl:unionOf / owl:intersectionOf set attached via domain/range/subClassOf/equivalentClass (Component 12.5). `shape_change` records the union↔bare reshape; `operator` distinguishes union from intersection (severity inverts for intersection).",
      "type": "object",
      "required": [
        "entity_iri",
        "via_predicate",
        "operator",
        "members_before",
        "members_after",
        "added_members",
        "removed_members",
        "shape_change",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "via_predicate": {
          "enum": ["rdfs:domain", "rdfs:range", "rdfs:subClassOf", "owl:equivalentClass"]
        },
        "operator": { "enum": ["unionOf", "intersectionOf"] },
        "members_before": { "type": "array", "items": { "type": "string" } },
        "members_after": { "type": "array", "items": { "type": "string" } },
        "added_members": { "type": "array", "items": { "type": "string" } },
        "removed_members": { "type": "array", "items": { "type": "string" } },
        "shape_change": { "enum": ["stable", "flattened", "unflattened"] },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "DatatypeFacetDetails": {
      "description": "An owl:onDatatype + owl:withRestrictions datatype facet change (Component 12.5). `base_before`/`base_after` are the base datatype IRIs (null on a one-sided facet add/remove); `facets_*` map facet names to numeric/string values.",
      "type": "object",
      "required": [
        "property_iri",
        "base_before",
        "base_after",
        "facets_before",
        "facets_after",
        "changed_facets",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "property_iri": { "type": "string" },
        "base_before": { "type": ["string", "null"] },
        "base_after": { "type": ["string", "null"] },
        "facets_before": {
          "type": "object",
          "additionalProperties": { "type": ["number", "string"] }
        },
        "facets_after": {
          "type": "object",
          "additionalProperties": { "type": ["number", "string"] }
        },
        "changed_facets": { "type": "array", "items": { "type": "string" } },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    },
    "ReplacedByDetails": {
      "description": "A dcterms:isReplacedBy soft-deprecation set or unset (Component 12.5). `matches_detected_rename` flags consistency with an accepted rename; `target_existed_in_b` records whether the replacement IRI exists in the new snapshot.",
      "type": "object",
      "required": [
        "entity_iri",
        "target_iri",
        "matches_detected_rename",
        "target_existed_in_b",
        "subsumes",
        "change_id"
      ],
      "additionalProperties": false,
      "properties": {
        "entity_iri": { "type": "string" },
        "target_iri": { "type": "string" },
        "matches_detected_rename": { "type": "boolean" },
        "target_existed_in_b": { "type": "boolean" },
        "subsumes": { "$ref": "#/$defs/ChangeIdList" },
        "change_id": { "type": "string" }
      }
    }
  }
}