argumentsOfInterestFor method
Return the arguments that affect this SubMessage as a map of argument names and values.
Implementation
Map argumentsOfInterestFor(MethodInvocation node) {
var basicArguments = node.argumentList.arguments;
var others = basicArguments.where((each) => each is NamedExpression);
return new Map.fromIterable(others,
key: (node) => node.name.label.token.value(),
value: (node) => node.expression);
}