anchor.diff:                                  schema:
           error: null
           warnings: []
  -        
  +
   
   ## Blueprint Composer [/composer]
   API Blueprint AST Media Types to API Blueprint conversions as provided by the [Matter Compiler](https://github.com/apiaryio/matter_compiler) tool.
   
   ### Compose [POST]
  -Convert a serialized API Blueprint AST (`vnd.apiblueprint.ast.raw+json` or `vnd.apiblueprint.ast.raw+yaml`) into API Blueprint (`vnd.apiblueprint+markdown`).
  -
  -+ Request (vnd.apiblueprint.ast.raw+yaml; version=2.0)
  +Convert a serialized API Blueprint AST (`application/vnd.apiblueprint.ast.raw+json` or `application/vnd.apiblueprint.ast.raw+yaml`) into API Blueprint (`text/vnd.apiblueprint+markdown`).
  +
  ++ Request (application/vnd.apiblueprint.ast.raw+yaml; version=2.0)
   
           _version: 2.0
           metadata:
  
positive.code:             "warnings": []
          }
  
  + Request YAML Parser Result (vnd.apiblueprint+markdown; version=1A)
  
      + Headers
  
              Accept: vnd.apiblueprint.parseresult.raw+yaml
  
      + Body
  
  
negative.code:             ]
          }
  
  + Response 200 (text/vnd.apiblueprint+markdown; version=1A)
  
          # /message
          ## GET
  