    {- |
    Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
    License    : LGPL-2.1
    Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

    'GI.GLib.Structs.TimeZone.TimeZone' is an opaque structure whose members cannot be accessed
    directly.

    /Since: 2.26/
    -}

    #define ENABLE_OVERLOADING \
           (!defined(__HADDOCK_VERSION__))

    module GI.GLib.Structs.TimeZone
        (

    -- * Exported types
        TimeZone(..)                            ,
        noTimeZone                              ,

     -- * Methods
    -- ** adjustTime #method:adjustTime#

    #if ENABLE_OVERLOADING
        TimeZoneAdjustTimeMethodInfo            ,
    #endif
        timeZoneAdjustTime                      ,

    -- ** findInterval #method:findInterval#

    #if ENABLE_OVERLOADING
        TimeZoneFindIntervalMethodInfo          ,
    #endif
        timeZoneFindInterval                    ,

    -- ** getAbbreviation #method:getAbbreviation#

    #if ENABLE_OVERLOADING
        TimeZoneGetAbbreviationMethodInfo       ,
    #endif
        timeZoneGetAbbreviation                 ,

    -- ** getIdentifier #method:getIdentifier#

    #if ENABLE_OVERLOADING
        TimeZoneGetIdentifierMethodInfo         ,
    #endif
        timeZoneGetIdentifier                   ,

    -- ** getOffset #method:getOffset#

    #if ENABLE_OVERLOADING
        TimeZoneGetOffsetMethodInfo             ,
    #endif
        timeZoneGetOffset                       ,

    -- ** isDst #method:isDst#

    #if ENABLE_OVERLOADING
        TimeZoneIsDstMethodInfo                 ,
    #endif
        timeZoneIsDst                           ,

    -- ** new #method:new#

        timeZoneNew                             ,

    -- ** newLocal #method:newLocal#

        timeZoneNewLocal                        ,

    -- ** newOffset #method:newOffset#

        timeZoneNewOffset                       ,

    -- ** newUtc #method:newUtc#

        timeZoneNewUtc                          ,

    -- ** ref #method:ref#

    #if ENABLE_OVERLOADING
        TimeZoneRefMethodInfo                   ,
    #endif
        timeZoneRef                             ,

    -- ** unref #method:unref#

    #if ENABLE_OVERLOADING
        TimeZoneUnrefMethodInfo                 ,
    #endif
        timeZoneUnref                           ,

        ) where

    import Data.GI.Base.ShortPrelude
    import qualified Data.GI.Base.ShortPrelude as SP
    import qualified Data.GI.Base.Overloading as O
    import qualified Prelude as P

    import qualified Data.GI.Base.Attributes as GI.Attributes
    import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
    import qualified Data.GI.Base.GError as B.GError
    import qualified Data.GI.Base.GVariant as B.GVariant
    import qualified Data.GI.Base.GValue as B.GValue
    import qualified Data.GI.Base.GParamSpec as B.GParamSpec
    import qualified Data.GI.Base.CallStack as B.CallStack
    import qualified Data.Text as T
    import qualified Data.ByteString.Char8 as B
    import qualified Data.Map as Map
    import qualified Foreign.Ptr as FP

    import {-# SOURCE #-} qualified GI.GLib.Enums as GLib.Enums

    -- | Memory-managed wrapper type.
    newtype TimeZone = TimeZone (ManagedPtr TimeZone)
    foreign import ccall "g_time_zone_get_type" c_g_time_zone_get_type ::
        IO GType

    instance BoxedObject TimeZone where
        boxedType _ = c_g_time_zone_get_type

    -- | A convenience alias for `Nothing` :: `Maybe` `TimeZone`.
    noTimeZone :: Maybe TimeZone
    noTimeZone = Nothing

    #if ENABLE_OVERLOADING
    instance O.HasAttributeList TimeZone
    type instance O.AttributeList TimeZone = TimeZoneAttributeList
    type TimeZoneAttributeList = ('[ ] :: [(Symbol, *)])
    #endif

    -- method TimeZone::new
    -- method type : Constructor
    -- Args : [Arg {argCName = "identifier", argType = TBasicType TUTF8, direction = DirectionIn, mayBeNull = True, argDoc = Documentation {rawDocText = Just "a timezone identifier", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TInterface (Name {namespace = "GLib", name = "TimeZone"}))
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_new" g_time_zone_new ::
        CString ->                              -- identifier : TBasicType TUTF8
        IO (Ptr TimeZone)

    {- |
    Creates a 'GI.GLib.Structs.TimeZone.TimeZone' corresponding to /@identifier@/.

    /@identifier@/ can either be an RFC3339\/ISO 8601 time offset or
    something that would pass as a valid value for the @TZ@ environment
    variable (including 'Nothing').

    In Windows, /@identifier@/ can also be the unlocalized name of a time
    zone for standard time, for example \"Pacific Standard Time\".

    Valid RFC3339 time offsets are @\"Z\"@ (for UTC) or
    @\"±hh:mm\"@.  ISO 8601 additionally specifies
    @\"±hhmm\"@ and @\"±hh\"@.  Offsets are
    time values to be added to Coordinated Universal Time (UTC) to get
    the local time.

    In UNIX, the @TZ@ environment variable typically corresponds
    to the name of a file in the zoneinfo database, or string in
    \"std offset [dst [offset],start[\/time],end[\/time]]\" (POSIX) format.
    There  are  no spaces in the specification. The name of standard
    and daylight savings time zone must be three or more alphabetic
    characters. Offsets are time values to be added to local time to
    get Coordinated Universal Time (UTC) and should be
    @\"[±]hh[[:]mm[:ss]]\"@.  Dates are either
    @\"Jn\"@ (Julian day with n between 1 and 365, leap
    years not counted), @\"n\"@ (zero-based Julian day
    with n between 0 and 365) or @\"Mm.w.d\"@ (day d
    (0 \<= d \<= 6) of week w (1 \<= w \<= 5) of month m (1 \<= m \<= 12), day
    0 is a Sunday).  Times are in local wall clock time, the default is
    02:00:00.

    In Windows, the \"tzn[+|–]hh[:mm[:ss]][dzn]\" format is used, but also
    accepts POSIX format.  The Windows format uses US rules for all time
    zones; daylight savings time is 60 minutes behind the standard time
    with date and time of change taken from Pacific Standard Time.
    Offsets are time values to be added to the local time to get
    Coordinated Universal Time (UTC).

    'GI.GLib.Structs.TimeZone.timeZoneNewLocal' calls this function with the value of the
    @TZ@ environment variable. This function itself is independent of
    the value of @TZ@, but if /@identifier@/ is 'Nothing' then @\/etc\/localtime@
    will be consulted to discover the correct time zone on UNIX and the
    registry will be consulted or @/GetTimeZoneInformation()/@ will be used
    to get the local time zone on Windows.

    If intervals are not available, only time zone rules from @TZ@
    environment variable or other means, then they will be computed
    from year 1900 to 2037.  If the maximum year for the rules is
    available and it is greater than 2037, then it will followed
    instead.

    See
    <http://tools.ietf.org/html/rfc3339#section-5.6 RFC3339 §5.6>
    for a precise definition of valid RFC3339 time offsets
    (the @time-offset@ expansion) and ISO 8601 for the
    full list of valid time offsets.  See
    <http://www.gnu.org/s/libc/manual/html_node/TZ-Variable.html The GNU C Library manual>
    for an explanation of the possible
    values of the @TZ@ environment variable. See
    <http://msdn.microsoft.com/en-us/library/ms912391%28v=winembedded.11%29.aspx Microsoft Time Zone Index Values>
    for the list of time zones on Windows.

    You should release the return value by calling 'GI.GLib.Structs.TimeZone.timeZoneUnref'
    when you are done with it.

    /Since: 2.26/
    -}
    timeZoneNew ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        Maybe (T.Text)
        {- ^ /@identifier@/: a timezone identifier -}
        -> m TimeZone
        {- ^ __Returns:__ the requested timezone -}
    timeZoneNew identifier = liftIO $ do
        maybeIdentifier <- case identifier of
            Nothing -> return nullPtr
            Just jIdentifier -> do
                jIdentifier' <- textToCString jIdentifier
                return jIdentifier'
        result <- g_time_zone_new maybeIdentifier
        checkUnexpectedReturnNULL "timeZoneNew" result
        result' <- (wrapBoxed TimeZone) result
        freeMem maybeIdentifier
        return result'

    #if ENABLE_OVERLOADING
    #endif

    -- method TimeZone::new_local
    -- method type : Constructor
    -- Args : []
    -- Lengths : []
    -- returnType : Just (TInterface (Name {namespace = "GLib", name = "TimeZone"}))
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_new_local" g_time_zone_new_local ::
        IO (Ptr TimeZone)

    {- |
    Creates a 'GI.GLib.Structs.TimeZone.TimeZone' corresponding to local time.  The local time
    zone may change between invocations to this function; for example,
    if the system administrator changes it.

    This is equivalent to calling 'GI.GLib.Structs.TimeZone.timeZoneNew' with the value of
    the @TZ@ environment variable (including the possibility of 'Nothing').

    You should release the return value by calling 'GI.GLib.Structs.TimeZone.timeZoneUnref'
    when you are done with it.

    /Since: 2.26/
    -}
    timeZoneNewLocal ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        m TimeZone
        {- ^ __Returns:__ the local timezone -}
    timeZoneNewLocal  = liftIO $ do
        result <- g_time_zone_new_local
        checkUnexpectedReturnNULL "timeZoneNewLocal" result
        result' <- (wrapBoxed TimeZone) result
        return result'

    #if ENABLE_OVERLOADING
    #endif

    -- method TimeZone::new_offset
    -- method type : Constructor
    -- Args : [Arg {argCName = "seconds", argType = TBasicType TInt32, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "offset to UTC, in seconds", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TInterface (Name {namespace = "GLib", name = "TimeZone"}))
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_new_offset" g_time_zone_new_offset ::
        Int32 ->                                -- seconds : TBasicType TInt32
        IO (Ptr TimeZone)

    {- |
    Creates a 'GI.GLib.Structs.TimeZone.TimeZone' corresponding to the given constant offset from UTC,
    in seconds.

    This is equivalent to calling 'GI.GLib.Structs.TimeZone.timeZoneNew' with a string in the form
    @[+|-]hh[:mm[:ss]]@.

    /Since: 2.58/
    -}
    timeZoneNewOffset ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        Int32
        {- ^ /@seconds@/: offset to UTC, in seconds -}
        -> m TimeZone
        {- ^ __Returns:__ a timezone at the given offset from UTC -}
    timeZoneNewOffset seconds = liftIO $ do
        result <- g_time_zone_new_offset seconds
        checkUnexpectedReturnNULL "timeZoneNewOffset" result
        result' <- (wrapBoxed TimeZone) result
        return result'

    #if ENABLE_OVERLOADING
    #endif

    -- method TimeZone::new_utc
    -- method type : Constructor
    -- Args : []
    -- Lengths : []
    -- returnType : Just (TInterface (Name {namespace = "GLib", name = "TimeZone"}))
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_new_utc" g_time_zone_new_utc ::
        IO (Ptr TimeZone)

    {- |
    Creates a 'GI.GLib.Structs.TimeZone.TimeZone' corresponding to UTC.

    This is equivalent to calling 'GI.GLib.Structs.TimeZone.timeZoneNew' with a value like
    \"Z\", \"UTC\", \"+00\", etc.

    You should release the return value by calling 'GI.GLib.Structs.TimeZone.timeZoneUnref'
    when you are done with it.

    /Since: 2.26/
    -}
    timeZoneNewUtc ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        m TimeZone
        {- ^ __Returns:__ the universal timezone -}
    timeZoneNewUtc  = liftIO $ do
        result <- g_time_zone_new_utc
        checkUnexpectedReturnNULL "timeZoneNewUtc" result
        result' <- (wrapBoxed TimeZone) result
        return result'

    #if ENABLE_OVERLOADING
    #endif

    -- method TimeZone::adjust_time
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "type", argType = TInterface (Name {namespace = "GLib", name = "TimeType"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "the #GTimeType of @time_", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "time_", argType = TBasicType TInt64, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a pointer to a number of seconds since January 1, 1970", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TInt)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_adjust_time" g_time_zone_adjust_time ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        CUInt ->                                -- type : TInterface (Name {namespace = "GLib", name = "TimeType"})
        Int64 ->                                -- time_ : TBasicType TInt64
        IO Int32

    {- |
    Finds an interval within /@tz@/ that corresponds to the given /@time_@/,
    possibly adjusting /@time_@/ if required to fit into an interval.
    The meaning of /@time_@/ depends on /@type@/.

    This function is similar to 'GI.GLib.Structs.TimeZone.timeZoneFindInterval', with the
    difference that it always succeeds (by making the adjustments
    described below).

    In any of the cases where 'GI.GLib.Structs.TimeZone.timeZoneFindInterval' succeeds then
    this function returns the same value, without modifying /@time_@/.

    This function may, however, modify /@time_@/ in order to deal with
    non-existent times.  If the non-existent local /@time_@/ of 02:30 were
    requested on March 14th 2010 in Toronto then this function would
    adjust /@time_@/ to be 03:00 and return the interval containing the
    adjusted time.

    /Since: 2.26/
    -}
    timeZoneAdjustTime ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> GLib.Enums.TimeType
        {- ^ /@type@/: the 'GI.GLib.Enums.TimeType' of /@time_@/ -}
        -> Int64
        {- ^ /@time_@/: a pointer to a number of seconds since January 1, 1970 -}
        -> m Int32
        {- ^ __Returns:__ the interval containing /@time_@/, never -1 -}
    timeZoneAdjustTime tz type_ time_ = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        let type_' = (fromIntegral . fromEnum) type_
        result <- g_time_zone_adjust_time tz' type_' time_
        touchManagedPtr tz
        return result

    #if ENABLE_OVERLOADING
    data TimeZoneAdjustTimeMethodInfo
    instance (signature ~ (GLib.Enums.TimeType -> Int64 -> m Int32), MonadIO m) => O.MethodInfo TimeZoneAdjustTimeMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneAdjustTime

    #endif

    -- method TimeZone::find_interval
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "type", argType = TInterface (Name {namespace = "GLib", name = "TimeType"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "the #GTimeType of @time_", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "time_", argType = TBasicType TInt64, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a number of seconds since January 1, 1970", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TInt)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_find_interval" g_time_zone_find_interval ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        CUInt ->                                -- type : TInterface (Name {namespace = "GLib", name = "TimeType"})
        Int64 ->                                -- time_ : TBasicType TInt64
        IO Int32

    {- |
    Finds an the interval within /@tz@/ that corresponds to the given /@time_@/.
    The meaning of /@time_@/ depends on /@type@/.

    If /@type@/ is 'GI.GLib.Enums.TimeTypeUniversal' then this function will always
    succeed (since universal time is monotonic and continuous).

    Otherwise /@time_@/ is treated as local time.  The distinction between
    'GI.GLib.Enums.TimeTypeStandard' and 'GI.GLib.Enums.TimeTypeDaylight' is ignored except in
    the case that the given /@time_@/ is ambiguous.  In Toronto, for example,
    01:30 on November 7th 2010 occurred twice (once inside of daylight
    savings time and the next, an hour later, outside of daylight savings
    time).  In this case, the different value of /@type@/ would result in a
    different interval being returned.

    It is still possible for this function to fail.  In Toronto, for
    example, 02:00 on March 14th 2010 does not exist (due to the leap
    forward to begin daylight savings time).  -1 is returned in that
    case.

    /Since: 2.26/
    -}
    timeZoneFindInterval ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> GLib.Enums.TimeType
        {- ^ /@type@/: the 'GI.GLib.Enums.TimeType' of /@time_@/ -}
        -> Int64
        {- ^ /@time_@/: a number of seconds since January 1, 1970 -}
        -> m Int32
        {- ^ __Returns:__ the interval containing /@time_@/, or -1 in case of failure -}
    timeZoneFindInterval tz type_ time_ = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        let type_' = (fromIntegral . fromEnum) type_
        result <- g_time_zone_find_interval tz' type_' time_
        touchManagedPtr tz
        return result

    #if ENABLE_OVERLOADING
    data TimeZoneFindIntervalMethodInfo
    instance (signature ~ (GLib.Enums.TimeType -> Int64 -> m Int32), MonadIO m) => O.MethodInfo TimeZoneFindIntervalMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneFindInterval

    #endif

    -- method TimeZone::get_abbreviation
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "interval", argType = TBasicType TInt, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "an interval within the timezone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TUTF8)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_get_abbreviation" g_time_zone_get_abbreviation ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        Int32 ->                                -- interval : TBasicType TInt
        IO CString

    {- |
    Determines the time zone abbreviation to be used during a particular
    /@interval@/ of time in the time zone /@tz@/.

    For example, in Toronto this is currently \"EST\" during the winter
    months and \"EDT\" during the summer months when daylight savings time
    is in effect.

    /Since: 2.26/
    -}
    timeZoneGetAbbreviation ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> Int32
        {- ^ /@interval@/: an interval within the timezone -}
        -> m T.Text
        {- ^ __Returns:__ the time zone abbreviation, which belongs to /@tz@/ -}
    timeZoneGetAbbreviation tz interval = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        result <- g_time_zone_get_abbreviation tz' interval
        checkUnexpectedReturnNULL "timeZoneGetAbbreviation" result
        result' <- cstringToText result
        touchManagedPtr tz
        return result'

    #if ENABLE_OVERLOADING
    data TimeZoneGetAbbreviationMethodInfo
    instance (signature ~ (Int32 -> m T.Text), MonadIO m) => O.MethodInfo TimeZoneGetAbbreviationMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneGetAbbreviation

    #endif

    -- method TimeZone::get_identifier
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TUTF8)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_get_identifier" g_time_zone_get_identifier ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        IO CString

    {- |
    Get the identifier of this 'GI.GLib.Structs.TimeZone.TimeZone', as passed to 'GI.GLib.Structs.TimeZone.timeZoneNew'.
    If the identifier passed at construction time was not recognised, @UTC@ will
    be returned. If it was 'Nothing', the identifier of the local timezone at
    construction time will be returned.

    The identifier will be returned in the same format as provided at
    construction time: if provided as a time offset, that will be returned by
    this function.

    /Since: 2.58/
    -}
    timeZoneGetIdentifier ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> m T.Text
        {- ^ __Returns:__ identifier for this timezone -}
    timeZoneGetIdentifier tz = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        result <- g_time_zone_get_identifier tz'
        checkUnexpectedReturnNULL "timeZoneGetIdentifier" result
        result' <- cstringToText result
        touchManagedPtr tz
        return result'

    #if ENABLE_OVERLOADING
    data TimeZoneGetIdentifierMethodInfo
    instance (signature ~ (m T.Text), MonadIO m) => O.MethodInfo TimeZoneGetIdentifierMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneGetIdentifier

    #endif

    -- method TimeZone::get_offset
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "interval", argType = TBasicType TInt, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "an interval within the timezone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TInt32)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_get_offset" g_time_zone_get_offset ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        Int32 ->                                -- interval : TBasicType TInt
        IO Int32

    {- |
    Determines the offset to UTC in effect during a particular /@interval@/
    of time in the time zone /@tz@/.

    The offset is the number of seconds that you add to UTC time to
    arrive at local time for /@tz@/ (ie: negative numbers for time zones
    west of GMT, positive numbers for east).

    /Since: 2.26/
    -}
    timeZoneGetOffset ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> Int32
        {- ^ /@interval@/: an interval within the timezone -}
        -> m Int32
        {- ^ __Returns:__ the number of seconds that should be added to UTC to get the
             local time in /@tz@/ -}
    timeZoneGetOffset tz interval = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        result <- g_time_zone_get_offset tz' interval
        touchManagedPtr tz
        return result

    #if ENABLE_OVERLOADING
    data TimeZoneGetOffsetMethodInfo
    instance (signature ~ (Int32 -> m Int32), MonadIO m) => O.MethodInfo TimeZoneGetOffsetMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneGetOffset

    #endif

    -- method TimeZone::is_dst
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "interval", argType = TBasicType TInt, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "an interval within the timezone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TBasicType TBoolean)
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_is_dst" g_time_zone_is_dst ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        Int32 ->                                -- interval : TBasicType TInt
        IO CInt

    {- |
    Determines if daylight savings time is in effect during a particular
    /@interval@/ of time in the time zone /@tz@/.

    /Since: 2.26/
    -}
    timeZoneIsDst ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> Int32
        {- ^ /@interval@/: an interval within the timezone -}
        -> m Bool
        {- ^ __Returns:__ 'True' if daylight savings time is in effect -}
    timeZoneIsDst tz interval = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        result <- g_time_zone_is_dst tz' interval
        let result' = (/= 0) result
        touchManagedPtr tz
        return result'

    #if ENABLE_OVERLOADING
    data TimeZoneIsDstMethodInfo
    instance (signature ~ (Int32 -> m Bool), MonadIO m) => O.MethodInfo TimeZoneIsDstMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneIsDst

    #endif

    -- method TimeZone::ref
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Just (TInterface (Name {namespace = "GLib", name = "TimeZone"}))
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_ref" g_time_zone_ref ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        IO (Ptr TimeZone)

    {- |
    Increases the reference count on /@tz@/.

    /Since: 2.26/
    -}
    timeZoneRef ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> m TimeZone
        {- ^ __Returns:__ a new reference to /@tz@/. -}
    timeZoneRef tz = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        result <- g_time_zone_ref tz'
        checkUnexpectedReturnNULL "timeZoneRef" result
        result' <- (wrapBoxed TimeZone) result
        touchManagedPtr tz
        return result'

    #if ENABLE_OVERLOADING
    data TimeZoneRefMethodInfo
    instance (signature ~ (m TimeZone), MonadIO m) => O.MethodInfo TimeZoneRefMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneRef

    #endif

    -- method TimeZone::unref
    -- method type : OrdinaryMethod
    -- Args : [Arg {argCName = "tz", argType = TInterface (Name {namespace = "GLib", name = "TimeZone"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #GTimeZone", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
    -- Lengths : []
    -- returnType : Nothing
    -- throws : False
    -- Skip return : False

    foreign import ccall "g_time_zone_unref" g_time_zone_unref ::
        Ptr TimeZone ->                         -- tz : TInterface (Name {namespace = "GLib", name = "TimeZone"})
        IO ()

    {- |
    Decreases the reference count on /@tz@/.

    /Since: 2.26/
    -}
    timeZoneUnref ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        TimeZone
        {- ^ /@tz@/: a 'GI.GLib.Structs.TimeZone.TimeZone' -}
        -> m ()
    timeZoneUnref tz = liftIO $ do
        tz' <- unsafeManagedPtrGetPtr tz
        g_time_zone_unref tz'
        touchManagedPtr tz
        return ()

    #if ENABLE_OVERLOADING
    data TimeZoneUnrefMethodInfo
    instance (signature ~ (m ()), MonadIO m) => O.MethodInfo TimeZoneUnrefMethodInfo TimeZone signature where
        overloadedMethod _ = timeZoneUnref

    #endif

    #if ENABLE_OVERLOADING
    type family ResolveTimeZoneMethod (t :: Symbol) (o :: *) :: * where
        ResolveTimeZoneMethod "adjustTime" o = TimeZoneAdjustTimeMethodInfo
        ResolveTimeZoneMethod "findInterval" o = TimeZoneFindIntervalMethodInfo
        ResolveTimeZoneMethod "isDst" o = TimeZoneIsDstMethodInfo
        ResolveTimeZoneMethod "ref" o = TimeZoneRefMethodInfo
        ResolveTimeZoneMethod "unref" o = TimeZoneUnrefMethodInfo
        ResolveTimeZoneMethod "getAbbreviation" o = TimeZoneGetAbbreviationMethodInfo
        ResolveTimeZoneMethod "getIdentifier" o = TimeZoneGetIdentifierMethodInfo
        ResolveTimeZoneMethod "getOffset" o = TimeZoneGetOffsetMethodInfo
        ResolveTimeZoneMethod l o = O.MethodResolutionFailed l o

    instance (info ~ ResolveTimeZoneMethod t TimeZone, O.MethodInfo info TimeZone p) => O.IsLabelProxy t (TimeZone -> p) where
        fromLabelProxy _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)

    #if MIN_VERSION_base(4,9,0)
    instance (info ~ ResolveTimeZoneMethod t TimeZone, O.MethodInfo info TimeZone p) => O.IsLabel t (TimeZone -> p) where
    #if MIN_VERSION_base(4,10,0)
        fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
    #else
        fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
    #endif
    #endif

    #endif