parameters: (self, name, prefix, is_template, printer)
docstring: Add a subprinter.
docstring_summary: Add a subprinter.
docstring_tokens: Add a subprinter .
function: def add(self, name, prefix, is_template, printer):
          """Add a subprinter."""
          self.subprinters.append(MongoSubPrettyPrinter(name, prefix, is_template, printer))
function_tokens: def add ( self , name , prefix , is_template , printer ) : self . subprinters . append ( MongoSubPrettyPrinter ( name , prefix , is_template , printer ) )