public Builder setReadDate(long value) {

            readDate_ = value;
            bitField0_ |= 0x00000004;
            onChanged();
            return this;
        }
<pre>
Update
</pre>

<code>int64 read_date = 3;</code>

@param value The readDate to set.
@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/conversation/UpdateConversationRequest.java