public Builder setSessionId(
        String value) {
      if (value == null) { throw new NullPointerException(); }
      sessionId_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<code>string session_id = 3;</code>
@param value The sessionId to set.
@return This builder for chaining.
examples/client/src/main/java/com/clickhouse/examples/protos/UIEvent.java