openapi-to-plantuml examples petstore.yml external-ref.yml path-returns-ref-ref2.yml one-of-property-level-required.yml array-property-level.yml simple-has-refs.yml enum.yml request-body-ref.yml all-of-property-level.yml array-class-level.yml path-returns-ref.yml anon-property-not-required.yml empty.yml parameter-ref.yml any-of-property-level.yml one-of-property-level.yml petstore-expanded.yml parameter-anon.yml anon-property-required.yml parameter-anon-empty-object.yml all-of-class-level.yml array-anon-property-level.yml any-of-anon-property-level.yml one-of-class-level-empty.yml array-anon-class-level.yml parameter-ref-complex.yml path-returns-non-ref.yml any-of-anon-class-level.yml one-of-class-level.yml ref-class-level.yml simple-types-and-arrays.yml any-of-class-level.yml anon-nested-class-level.yml request-body-ref-ref.yml request-body.yml additional-properties-simple.yml additional-properties-complex.yml parameter-ref-ref.yml path-returns-ref-ref.yml