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diff --git a/deps/node/deps/icu-small/source/i18n/collationkeys.h b/deps/node/deps/icu-small/source/i18n/collationkeys.h
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index 60d9e50c..00000000
--- a/deps/node/deps/icu-small/source/i18n/collationkeys.h
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@@ -1,169 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*******************************************************************************
-* Copyright (C) 2012-2014, International Business Machines
-* Corporation and others. All Rights Reserved.
-*******************************************************************************
-* collationkeys.h
-*
-* created on: 2012sep02
-* created by: Markus W. Scherer
-*/
-
-#ifndef __COLLATIONKEYS_H__
-#define __COLLATIONKEYS_H__
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_COLLATION
-
-#include "unicode/bytestream.h"
-#include "unicode/ucol.h"
-#include "charstr.h"
-#include "collation.h"
-
-U_NAMESPACE_BEGIN
-
-class CollationIterator;
-struct CollationDataReader;
-struct CollationSettings;
-
-class SortKeyByteSink : public ByteSink {
-public:
- SortKeyByteSink(char *dest, int32_t destCapacity)
- : buffer_(dest), capacity_(destCapacity),
- appended_(0), ignore_(0) {}
- virtual ~SortKeyByteSink();
-
- void IgnoreBytes(int32_t numIgnore) { ignore_ = numIgnore; }
-
- virtual void Append(const char *bytes, int32_t n);
- void Append(uint32_t b) {
- if (ignore_ > 0) {
- --ignore_;
- } else {
- if (appended_ < capacity_ || Resize(1, appended_)) {
- buffer_[appended_] = (char)b;
- }
- ++appended_;
- }
- }
- virtual char *GetAppendBuffer(int32_t min_capacity,
- int32_t desired_capacity_hint,
- char *scratch, int32_t scratch_capacity,
- int32_t *result_capacity);
- int32_t NumberOfBytesAppended() const { return appended_; }
-
- /**
- * @return how many bytes can be appended (including ignored ones)
- * without reallocation
- */
- int32_t GetRemainingCapacity() const {
- // Either ignore_ or appended_ should be 0.
- return ignore_ + capacity_ - appended_;
- }
-
- UBool Overflowed() const { return appended_ > capacity_; }
- /** @return FALSE if memory allocation failed */
- UBool IsOk() const { return buffer_ != NULL; }
-
-protected:
- virtual void AppendBeyondCapacity(const char *bytes, int32_t n, int32_t length) = 0;
- virtual UBool Resize(int32_t appendCapacity, int32_t length) = 0;
-
- void SetNotOk() {
- buffer_ = NULL;
- capacity_ = 0;
- }
-
- char *buffer_;
- int32_t capacity_;
- int32_t appended_;
- int32_t ignore_;
-
-private:
- SortKeyByteSink(const SortKeyByteSink &); // copy constructor not implemented
- SortKeyByteSink &operator=(const SortKeyByteSink &); // assignment operator not implemented
-};
-
-class U_I18N_API CollationKeys /* not : public UObject because all methods are static */ {
-public:
- class LevelCallback : public UMemory {
- public:
- virtual ~LevelCallback();
- /**
- * @param level The next level about to be written to the ByteSink.
- * @return TRUE if the level is to be written
- * (the base class implementation always returns TRUE)
- */
- virtual UBool needToWrite(Collation::Level level);
- };
-
- /**
- * Writes the sort key bytes for minLevel up to the iterator data's strength.
- * Optionally writes the case level.
- * Stops writing levels when callback.needToWrite(level) returns FALSE.
- * Separates levels with the LEVEL_SEPARATOR_BYTE
- * but does not write a TERMINATOR_BYTE.
- */
- static void writeSortKeyUpToQuaternary(CollationIterator &iter,
- const UBool *compressibleBytes,
- const CollationSettings &settings,
- SortKeyByteSink &sink,
- Collation::Level minLevel, LevelCallback &callback,
- UBool preflight, UErrorCode &errorCode);
-private:
- friend struct CollationDataReader;
-
- CollationKeys(); // no instantiation
-
- // Secondary level: Compress up to 33 common weights as 05..25 or 25..45.
- static const uint32_t SEC_COMMON_LOW = Collation::COMMON_BYTE;
- static const uint32_t SEC_COMMON_MIDDLE = SEC_COMMON_LOW + 0x20;
- static const uint32_t SEC_COMMON_HIGH = SEC_COMMON_LOW + 0x40;
- static const int32_t SEC_COMMON_MAX_COUNT = 0x21;
-
- // Case level, lowerFirst: Compress up to 7 common weights as 1..7 or 7..13.
- static const uint32_t CASE_LOWER_FIRST_COMMON_LOW = 1;
- static const uint32_t CASE_LOWER_FIRST_COMMON_MIDDLE = 7;
- static const uint32_t CASE_LOWER_FIRST_COMMON_HIGH = 13;
- static const int32_t CASE_LOWER_FIRST_COMMON_MAX_COUNT = 7;
-
- // Case level, upperFirst: Compress up to 13 common weights as 3..15.
- static const uint32_t CASE_UPPER_FIRST_COMMON_LOW = 3;
- static const uint32_t CASE_UPPER_FIRST_COMMON_HIGH = 15;
- static const int32_t CASE_UPPER_FIRST_COMMON_MAX_COUNT = 13;
-
- // Tertiary level only (no case): Compress up to 97 common weights as 05..65 or 65..C5.
- static const uint32_t TER_ONLY_COMMON_LOW = Collation::COMMON_BYTE;
- static const uint32_t TER_ONLY_COMMON_MIDDLE = TER_ONLY_COMMON_LOW + 0x60;
- static const uint32_t TER_ONLY_COMMON_HIGH = TER_ONLY_COMMON_LOW + 0xc0;
- static const int32_t TER_ONLY_COMMON_MAX_COUNT = 0x61;
-
- // Tertiary with case, lowerFirst: Compress up to 33 common weights as 05..25 or 25..45.
- static const uint32_t TER_LOWER_FIRST_COMMON_LOW = Collation::COMMON_BYTE;
- static const uint32_t TER_LOWER_FIRST_COMMON_MIDDLE = TER_LOWER_FIRST_COMMON_LOW + 0x20;
- static const uint32_t TER_LOWER_FIRST_COMMON_HIGH = TER_LOWER_FIRST_COMMON_LOW + 0x40;
- static const int32_t TER_LOWER_FIRST_COMMON_MAX_COUNT = 0x21;
-
- // Tertiary with case, upperFirst: Compress up to 33 common weights as 85..A5 or A5..C5.
- static const uint32_t TER_UPPER_FIRST_COMMON_LOW = Collation::COMMON_BYTE + 0x80;
- static const uint32_t TER_UPPER_FIRST_COMMON_MIDDLE = TER_UPPER_FIRST_COMMON_LOW + 0x20;
- static const uint32_t TER_UPPER_FIRST_COMMON_HIGH = TER_UPPER_FIRST_COMMON_LOW + 0x40;
- static const int32_t TER_UPPER_FIRST_COMMON_MAX_COUNT = 0x21;
-
- // Quaternary level: Compress up to 113 common weights as 1C..8C or 8C..FC.
- static const uint32_t QUAT_COMMON_LOW = 0x1c;
- static const uint32_t QUAT_COMMON_MIDDLE = QUAT_COMMON_LOW + 0x70;
- static const uint32_t QUAT_COMMON_HIGH = QUAT_COMMON_LOW + 0xE0;
- static const int32_t QUAT_COMMON_MAX_COUNT = 0x71;
- // Primary weights shifted to quaternary level must be encoded with
- // a lead byte below the common-weight compression range.
- static const uint32_t QUAT_SHIFTED_LIMIT_BYTE = QUAT_COMMON_LOW - 1; // 0x1b
-};
-
-U_NAMESPACE_END
-
-#endif // !UCONFIG_NO_COLLATION
-#endif // __COLLATIONKEYS_H__
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