2023
https://habr.com/ru/articles/776434/
https://habr.com/ru/articles/776538/
https://habr.com/ru/articles/774928/
    https://github.com/SaintCheshire/openapi-composition-and-inheritance
    https://spec.openapis.org/oas/v3.1.0#composition-and-inheritance-polymorphism
    https://spec.openapis.org/oas/v3.1.0#discriminator-object
    https://github.com/SaintCheshire/openapi-composition-and-inheritance/blob/d3f9fb789ccf4cabf52ad8320760c8c3dfc94eed/src/main/resources/api.yaml#L11
https://habr.com/ru/articles/770528/
https://habr.com/ru/companies/axenix/articles/768012/
2022
https://habr.com/ru/companies/axenix/articles/694340/