isDeclarationRecord function
Returns true if object
is DeclarationRecord, otherwise false.
Implementation
bool isDeclarationRecord(final Map<String, dynamic>? object) {
if (object == null) return false;
if (object[r'$type'] == null) return false;
return object[r'$type'] == 'chat.bsky.actor.declaration#main' ||
object[r'$type'] == 'chat.bsky.actor.declaration';
}