public Builder setTimestamp(long value) {

        timestamp_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
<code>optional int64 timestamp = 3;</code>
@param value The timestamp to set.
@return This builder for chaining.
ql/src/gen/protobuf/gen-java/org/apache/hadoop/hive/ql/hooks/proto/HiveHookEvents.java