code: func (tib *TypeInBody) Body() raml.Bodies {
  	if tib.ReqResp == HTTPRequest {
  		return tib.Endpoint.Method.Bodies
  	}
  	for code, resp := range tib.Endpoint.Method.Responses {
  		if code == tib.RespCode {
  			return resp.Bodies
  		}
  	}
  	panic("failed to get body of " + tib.Endpoint.Verb + " " + tib.Endpoint.Addr)
  }
docs: // Body returns raml.Bodies from TypeInBody object