Error while joining the meeting in Jitsi Meet in flutter

Here is the error

Launching lib/main.dart on sdk gphone x86 arm in debug mode…
lib/videoconference/joinmeeting.dart:74:24: Error: Expected ‘;’ after this.
…videoMuted = true
…/…/…/Documents/flutter/.pub-cache/hosted/ Error: The getter ‘featureFlagdeomus’ isn’t defined for the class ‘FeatureFlag’.

  • ‘FeatureFlag’ is from ‘package:jitsi_meet/feature_flag/feature_flag.dart’ (’…/…/…/Documents/flutter/.pub-cache/hosted/’).
    Try correcting the name to the name of an existing getter, or defining a getter or field named ‘featureFlagdeomus’.

FAILURE: Build failed with an exception.

  • Where:
    Script ‘/Users/alone_walker/Documents/flutter/packages/flutter_tools/gradle/flutter.gradle’ line: 904

  • What went wrong:
    Execution failed for task ‘:app:compileFlutterBuildDebug’.

Process ‘command ‘/Users/alone_walker/Documents/flutter/bin/flutter’’ finished with non-zero exit value 1

  • Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

  • Get more help at

Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

Here is my Code block having error
try {
Map<FeatureFlagEnum, bool> ff2 = {
FeatureFlagEnum.WELCOME_PAGE_ENABLED: false
if (Platform.isAndroid) {
ff2[FeatureFlagEnum.CALL_INTEGRATION_ENABLED] = false;
} else if (Platform.isIOS) {
ff2[FeatureFlagEnum.PIP_ENABLED] = false;

  var options = JitsiMeetingOptions() = "uy7788"
    ..audioMuted = true
    ..audioOnly = true
    ..serverURL = ""
    ..subject = "Meeting"
    ..userDisplayName = "Hujjsds"
    ..videoMuted = true;
  // ..getFeatureFlags();

} catch (e) {}