#pragma once
#include <util/system/defaults.h>
#include <stlfwd>
template <typename TCharType, typename TTraits = std::char_traits<TCharType>>
class TBasicString;
using TString = TBasicString<char>;
#ifndef TSTRING_IS_STD_STRING
using TCowString = TBasicString<char>;
#endif
using TUtf16String = TBasicString<wchar16>;
using TUtf32String = TBasicString<wchar32>;
template <typename TCharType, typename TTraits = std::char_traits<TCharType>>
class TBasicStringBuf;
using TStringBuf = TBasicStringBuf<char>;
using TWtringBuf = TBasicStringBuf<wchar16>;
using TUtf32StringBuf = TBasicStringBuf<wchar32>;
// misc
class TBuffer;
// functors
template <class T = void>
struct TLess;
template <class T = void>
struct TGreater;
template <class T = void>
struct TEqualTo;
template <class T>
struct THash;
// intrusive containers
struct TIntrusiveListDefaultTag;
template <class T, class Tag = TIntrusiveListDefaultTag>
class TIntrusiveList;
template <class T, class D, class Tag = TIntrusiveListDefaultTag>
class TIntrusiveListWithAutoDelete;
template <class T, class Tag = TIntrusiveListDefaultTag>
class TIntrusiveSList;
// containers
template <class T, class A = std::allocator<T>>
class TVector;
template <class T, class A = std::allocator<T>>
class TDeque;
template <class T, class S = TDeque<T>>
class TQueue;
template <class T, class S = TVector<T>, class C = TLess<T>>
class TPriorityQueue;
template <class Key, class T, class HashFcn = THash<Key>, class EqualKey = TEqualTo<Key>, class Alloc = std::allocator<Key>>
class THashMap;
template <class Key, class T, class HashFcn = THash<Key>, class EqualKey = TEqualTo<Key>, class Alloc = std::allocator<Key>>
class THashMultiMap;
template <class Value, class HashFcn = THash<Value>, class EqualKey = TEqualTo<Value>, class Alloc = std::allocator<Value>>
class THashSet;
template <class Value, class HashFcn = THash<Value>, class EqualKey = TEqualTo<Value>, class Alloc = std::allocator<Value>>
class THashMultiSet;
template <class T, class A = std::allocator<T>>
class TList;
template <class K, class V, class Less = TLess<K>, class A = std::allocator<K>>
class TMap;
template <class K, class V, class Less = TLess<K>, class A = std::allocator<K>>
class TMultiMap;
template <class K, class L = TLess<K>, class A = std::allocator<K>>
class TSet;
template <class K, class L = TLess<K>, class A = std::allocator<K>>
class TMultiSet;
template <class T, class S = TDeque<T>>
class TStack;
template <size_t BitCount, typename TChunkType = ui64>
class TBitMap;
// autopointers
class TDelete;
class TDeleteArray;
class TFree;
class TCopyNew;
template <class T, class D = TDelete>
class TAutoPtr;
template <class T, class D = TDelete>
class THolder;
template <class T, class C, class D = TDelete>
class TRefCounted;
template <class T>
class TDefaultIntrusivePtrOps;
template <class T, class Ops>
class TSimpleIntrusiveOps;
template <class T, class Ops = TDefaultIntrusivePtrOps<T>>
class TIntrusivePtr;
template <class T, class Ops = TDefaultIntrusivePtrOps<T>>
class TIntrusiveConstPtr;
template <class T, class Ops = TDefaultIntrusivePtrOps<T>>
using TSimpleIntrusivePtr = TIntrusivePtr<T, TSimpleIntrusiveOps<T, Ops>>;
template <class T, class C, class D = TDelete>
class TSharedPtr;
template <class T, class C = TCopyNew, class D = TDelete>
class TCopyPtr;
template <class TPtr, class TCopy = TCopyNew>
class TCowPtr;
template <typename T>
class TPtrArg;
template <typename T>
using TArrayHolder = THolder<T, TDeleteArray>;
template <typename T>
using TMallocHolder = THolder<T, TFree>;
template <typename T>
using TArrayPtr = TAutoPtr<T, TDeleteArray>;
template <typename T>
using TMallocPtr = TAutoPtr<T, TFree>;
// maybe
namespace NMaybe {
struct TPolicyUndefinedExcept;
} // namespace NMaybe
template <class T, class Policy = ::NMaybe::TPolicyUndefinedExcept>
class TMaybe;
struct TGUID;
template <class T>
class TArrayRef;
template <class T>
using TConstArrayRef = TArrayRef<const T>;
