createEventHandler method
Implementation
o.Expression createEventHandler(
List<o.Statement> stmts, {
List<o.Statement> localDeclarations = const [],
}) {
var methodName = '_handleEvent_${_eventHandlerCount++}';
methods.add(
_createEventHandlerMethod(methodName, stmts, localDeclarations),
);
return o.ReadClassMemberExpr(methodName);
}