anchor.diff:    ;
   
   conversion_operator_member_cref
  +<<<<<<< HEAD
     : 'explicit' 'operator' type cref_parameter_list?
     | 'implicit' 'operator' type cref_parameter_list?
  +=======
  +  : ('explicit' | 'implicit') 'operator' type cref_parameter_list?
  +>>>>>>> Generate
     ;
   
   cref_parameter_list
  
positive.code:   ;
  
  nullable_directive_trivia
    : '#' 'nullable' ('enable' | 'disable' | 'restore') ('warnings' | 'annotations')?
    ;
  
  pragma_checksum_directive_trivia
  
negative.code:   ;
  
  parameter
  <<<<<<< HEAD
    : attribute_list* modifier* type? (identifier_token | '__arglist') equals_value_clause?
  =======
    : attribute_list* modifier* type? ('__arglist' | identifier_token) equals_value_clause?
  >>>>>>> Generate
    ;
  
  constructor_initializer
  