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allOf with additionalProperties false on every member

GET 
/allof-strict-additional-properties

NSwag and Swashbuckle emit additionalProperties: false on every object schema by default. Combined with allOf composition this defines a JSON-Schema-unsatisfiable shape (each member rejects the other's properties as "additional"), and strict allof-merge implementations collapse the result to no properties — leaving the rendered schema blank.

Regression coverage for https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/issues/1119: the docs renderer should union the properties across siblings the same way Redoc and Swagger UI do.

Schema:

allOf:
  - type: object
    additionalProperties: false
    properties:
      ContinuationToken: { type: string, nullable: true }
    title: ResponseBase
  - type: object
    additionalProperties: false
    properties:
      Items:
        type: array
        items:
          allOf:
            - type: object
              additionalProperties: false
              properties:
                Guid: { type: string, format: uuid }
                Revision: { type: integer, format: int64 }
            - type: object
              additionalProperties: false
              required: [Name]
              properties:
                Name: { type: string, nullable: true }
                Code: { type: string, nullable: true }
    title: ItemsWrap

Responses​

Successful response