public Builder clearField7() {
                bitField0_ = (bitField0_ & ~0x00000040);
                field7_ = 0L;
                onChanged();
                return this;
            }
<code>int64 field7 = 7;</code>

@return This builder for chaining.
wx-dump-admin/src/main/java/com/xcs/wx/protobuf/ChatRoomProto.java