anchor.diff:  * DOCUMENT_BEFORE: Before the section title
   * DOCUMENT_START: After the section title and before the description
   * DOCUMENT_BEFORE: At the end of the document
  -* DEFINITION_BEGIN: 
  -* DEFINITION_END:
  +* DEFINITION_BEGIN: At the beginning of a model definition sectiin
  +* DEFINITION_END: At the end of a model definition section
   
   
   ==== SwaggerModelExtension
  
positive.code: * DOCUMENT_BEFORE: Before the section title
  * DOCUMENT_START: After the section title and before the description
  * DOCUMENT_BEFORE: At the end of the document
  
  ==== DefinitionsDocumentExtension
  
  
negative.code: * DOCUMENT_BEFORE: Before the section title
  * DOCUMENT_START: After the section title and before the description
  * DOCUMENT_BEFORE: At the end of the document
  * OPERATION_BEGIN: At the beginning of a path operation section
  * OPERATION_END: At the end of a path operation section
  
  ==== SecurityDocumentExtension
  
  