private void setBurnAfter(int value) {
        bitField0_ |= 0x00000040;
        burnAfter_ = value;
    }
<code>optional int32 burn_after = 8;</code>

@param value The burnAfter to set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/message/CreateMessageRequest.java