class_docstr: Common processor interface
class_docstr_tok: ["Common","processor","interface"]
docstr: Return a string describing what this processor is meant for.
  The description should provide enough information to help the end user.
code: def description():
      """Return a string describing what this processor is meant for.
      The description should provide enough information to help the end user.
      """
  
imports: from __future__ import absolute_import
  from .component import Interface
label_desc: Use image node_id 13 for calling the IProcessor obj's underlying member method code with example usage: obj.description() without return types