1openapi: 3.0.0 2info: 3 title: OpenAPI 3.0.0 content types example 4 version: '1' 5paths: 6 /foo: 7 get: 8 responses: 9 '200': 10 description: OK 11 content: 12 text/plain: 13 schema: 14 type: string 15 application/json: 16 schema: 17 type: string 18 text/json: 19 schema: 20 type: string