public Builder setDuration(long value) {

      duration_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
<code>int64 duration = 5;</code>
@param value The duration to set.
@return This builder for chaining.
examples/client/src/main/java/com/clickhouse/examples/protos/UIEvent.java