anchor.diff:  | `ELASTIC_APM_FRAMEWORK_NAME` | `FRAMEWORK_NAME` | Depending on framework
   |============
   
  -Name of the used framework.
  +The name of the used framework.
   For Django and Flask, this defaults to `django` and `flask` respectively,
   otherwise, the default is `None`.
   
  
positive.code: 
  For requests with a content type of `multipart/form-data`,
  any uploaded files will be referenced in a special `_files` key.
  It contains the name of the field, and the name of the uploaded file, if provided.
  
  WARNING: request bodies often contain sensitive values like passwords, credit card numbers etc.
  If your service handles data like this, we advise to only enable this feature with care.
  
  [float]
  
negative.code: |============
  
  By default, the APM agent collects source code snippets for errors.
  This setting allows you to modify the number of lines of source code that are being collected.
  
  We differ between errors and spans, as well as library frames and app frames.
  
  