emit method
Implementation
@override
String emit({int indent = 0}) {
final String argsText = arguments
.map((arg) => arg.emit(indent: indent))
.join(", ");
if (target != null) {
final operator = useColon ? ":" : ".";
return "${target!.emit()}$operator$methodName($argsText)";
}
final operator = useColon ? ":" : "";
return "$operator$methodName($argsText)";
}