TF-3941 Thread Detail Thread level mark read/star, archive and spam

lib/features/thread_detail/domain/model/email_in_thread_detail_info.dart

@@ -0,0 +1,42 @@
+import 'package:collection/collection.dart';
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+
+class EmailInThreadDetailInfo with EquatableMixin {
+  const EmailInThreadDetailInfo({
+    required this.emailId,
+    required this.keywords,
+    required this.mailboxIds,
+    required this.isValidToDisplay,
+  });
+
+  final EmailId emailId;
+  final Map<KeyWordIdentifier, bool>? keywords;
+  final Map<MailboxId, bool>? mailboxIds;
+  final bool isValidToDisplay;
+
+  @override
+  List<Object?> get props => [emailId, keywords, mailboxIds, isValidToDisplay];
+
+  EmailInThreadDetailInfo copyWith({
+    EmailId? emailId,
+    Map<KeyWordIdentifier, bool>? keywords,
+    Map<MailboxId, bool>? mailboxIds,
+    bool? isValidToDisplay,
+  }) {
+    return EmailInThreadDetailInfo(
+      emailId: emailId ?? this.emailId,
+      keywords: keywords ?? this.keywords,
+      mailboxIds: mailboxIds ?? this.mailboxIds,
+      isValidToDisplay: isValidToDisplay ?? this.isValidToDisplay,
+    );
+  }
+
+  MailboxId? get mailboxIdContain {
+    return mailboxIds?.entries
+        .firstWhereOrNull((entry) => entry.value)
+        ?.key;
+  }
+}