toStringFull method Null safety
Returns a complete textual description of the information in this object.
Implementation
String toStringFull() {
  return '$runtimeType('
          'type: ${_typeToString(type)}, '
          'timeStamp: $timeStamp, '
          'physical: 0x${physical.toRadixString(16)}, '
          'logical: 0x${logical.toRadixString(16)}, '
          'character: ${_escapeCharacter()}, '
          'synthesized: $synthesized'
         ')';
}