anchor.diff:            'of any bound directive or a native event. Please check '
             'that the spelling is correct, and that the intended '
             "directive is included in the host component's list of "
  -          'directives. See more details go/skipschemavalidationfor',
  +          'directives. See more details go/skipschemavalidationfor.\n'
  +          '$optedOutValidator',
           ),
         );
       }
  
positive.code:           "Can't find '<$elementName>'. Please check that the spelling "
            'is correct, and that the intended component is included in the '
            "host component's list of directives. "
            'See more details go/skipschemavalidationfor',
          ),
        );
      }
  
negative.code:         BuildError.forSourceSpan(
            ast.sourceSpan,
            'A selector in @skipSchemaValidationFor="'
            '${ast.skipSchemaValidationForSelector}" does not match this '
            'element.\n$optedOutValidator',
          ),
        );
      }
  