core / io.islandtime / OffsetDateTime / fromSecondsSinceUnixEpoch
fromSecondsSinceUnixEpoch
(iosArm64, iosX64, jvm, macosX64) fun fromSecondsSinceUnixEpoch(seconds: LongSeconds, nanosecondAdjustment: IntNanoseconds, offset: UtcOffset): OffsetDateTime