ydb/yql/essentials/protos/common.proto

package NYql.NProto;
option java_package = "ru.yandex.yql.proto";

message TTime {
    enum TUnit {
        NANOSECONDS = 1;
        MICROSECONDS = 2;
        MILLISECONDS = 3;
        SECONDS = 4;
        MINUTES = 5;
        HOURS = 6;
        DAYS = 7;
    }

    optional uint64 Value = 1;
    optional TUnit Unit = 2;
}