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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// Required to be `AnyObject` because it optimizes the call sites in the `struct` wrapper for efficient function dispatch.
package protocol _TimeZoneProtocol : AnyObject, Sendable, CustomDebugStringConvertible {
init?(secondsFromGMT: Int)
init?(identifier: String)
var identifier: String { get }
func secondsFromGMT(for date: Date) -> Int
/// Essentially this is equivalent to adjusting `date` to this time zone using `rawOffset`, then passing the adjusted date to `daylightSavingTimeOffset(for: <adjusted date>)`.
/// This also handles the skipped time frame on DST start day differently from `daylightSavingTimeOffset(:)`, where dates in the skipped time frame are considered *not* in DST here, hence the DST offset would be 0.
func rawAndDaylightSavingTimeOffset(for date: Date, repeatedTimePolicy: TimeZone.DaylightSavingTimePolicy, skippedTimePolicy: TimeZone.DaylightSavingTimePolicy) -> (rawOffset: Int, daylightSavingOffset: TimeInterval)
func abbreviation(for date: Date) -> String?
func isDaylightSavingTime(for date: Date) -> Bool
func daylightSavingTimeOffset(for date: Date) -> TimeInterval
func nextDaylightSavingTimeTransition(after date: Date) -> Date?
func localizedName(for style: TimeZone.NameStyle, locale: Locale?) -> String?
// Used by legacy ObjC clients only
var data: Data? { get }
var isAutoupdating: Bool { get }
var debugDescription: String { get }
func hash(into hasher: inout Hasher)
#if FOUNDATION_FRAMEWORK
func bridgeToNSTimeZone() -> NSTimeZone
#endif
}
extension _TimeZoneProtocol {
package var data: Data? {
nil
}
package var isAutoupdating: Bool {
false
}
package var debugDescription: String {
identifier
}
package func hash(into hasher: inout Hasher) {
hasher.combine(identifier)
}
#if FOUNDATION_FRAMEWORK
package func bridgeToNSTimeZone() -> NSTimeZone {
_NSSwiftTimeZone(timeZone: TimeZone(inner: self))
}
#endif
}
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