anchor.diff:  === Processors
   
   ==== Set processor
  -Sets one field and associates it with the specified value. If a field already exists,
  +Sets one field and associates it with the specified value. If the field already exists,
   its value will be replaced with the provided one.
   
   [source,js]
  
positive.code: 
  The supported types include: `integer`, `float`, `string`, and `boolean`.
  
  `boolean` will set a field to true if its string value is equal to `true` (ignore case), to
  false if its string value is equal to `false` (ignore case) and it will throw exception otherwise.
  
  [source,js]
  
negative.code: --------------------------------------------------
  
  ==== Remove processor
  Removes an existing field. If the field doesn't exist, an exception will be thrown
  
  [source,js]
  --------------------------------------------------
  