dynamic noSuchMethod(Invocation invocation)

Invoked when a non-existent method or property is accessed.

Classes can override noSuchMethod to provide custom behavior.

If a value is returned, it becomes the result of the original invocation.

The default behavior is to throw a NoSuchMethodError.

Source

dynamic noSuchMethod(Invocation invocation) {
  throw new NoSuchMethodError(this, invocation.memberName,
      invocation.positionalArguments, invocation.namedArguments);
}