if (postExtensionOps != null) {
// Handle cases like AppClient where extension adds are interleaved with subsystem ops
if (parsedOp.isExtensionAdd()) {
final ExtensionAddHandler stepHandler = (ExtensionAddHandler) rootRegistration.getOperationHandler(parsedOp.address, parsedOp.operationName);
if (parallelExtensionAddHandler != null) {
parallelExtensionAddHandler.addParsedOp(parsedOp, stepHandler);
} else {
context.addStep(parsedOp.response, parsedOp.operation, stepHandler, OperationContext.Stage.MODEL);
}
} else {
if (parallelSubsystemHandler == null || !parallelSubsystemHandler.addSubsystemOperation(parsedOp)) {