@java.lang.Override
    public boolean hasCancelDate() {
        return ((bitField0_ & 0x00000080) != 0);
    }
<code>optional int64 cancel_date = 11;</code>

@return Whether the cancelDate field is set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/conference/Meeting.java