this.flags |= flag;
    }

    /**
     * Clears the specified flags from this message.
     *
     * @param flag the flags to clear
     */
    public final void clearFlags(final int flag) {
        this.flags &= ~flag;
    }

    /**
     * @return the mid
     */
    @Override
    public final long getMid() {
        return this.mid;
    }

    /**

        @DisplayName("Should clear flags correctly")
        void testClearFlags() {
            testMessage.addFlags(ServerMessageBlock2.SMB2_FLAGS_SIGNED | ServerMessageBlock2.SMB2_FLAGS_DFS_OPERATIONS);
            testMessage.clearFlags(ServerMessageBlock2.SMB2_FLAGS_SIGNED);
            assertEquals(ServerMessageBlock2.SMB2_FLAGS_DFS_OPERATIONS, testMessage.getFlags());
        }

        @Test
        @DisplayName("Should detect response flag")