@java.lang.Override
        public com.google.protobuf.ByteString getReasonBytes() {
            return instance.getReasonBytes();
        }
<code>optional string reason = 3;</code>

@return The bytes for reason.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/user/relationship/UpdateFriendRequestRequest.java