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diff --git a/third_party/abseil_cpp/absl/strings/match.h b/third_party/abseil_cpp/absl/strings/match.h
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-//
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// -----------------------------------------------------------------------------
-// File: match.h
-// -----------------------------------------------------------------------------
-//
-// This file contains simple utilities for performing string matching checks.
-// All of these function parameters are specified as `absl::string_view`,
-// meaning that these functions can accept `std::string`, `absl::string_view` or
-// NUL-terminated C-style strings.
-//
-// Examples:
-//   std::string s = "foo";
-//   absl::string_view sv = "f";
-//   assert(absl::StrContains(s, sv));
-//
-// Note: The order of parameters in these functions is designed to mimic the
-// order an equivalent member function would exhibit;
-// e.g. `s.Contains(x)` ==> `absl::StrContains(s, x).
-#ifndef ABSL_STRINGS_MATCH_H_
-#define ABSL_STRINGS_MATCH_H_
-
-#include <cstring>
-
-#include "absl/strings/string_view.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-// StrContains()
-//
-// Returns whether a given string `haystack` contains the substring `needle`.
-inline bool StrContains(absl::string_view haystack, absl::string_view needle) {
-  return haystack.find(needle, 0) != haystack.npos;
-}
-
-// StartsWith()
-//
-// Returns whether a given string `text` begins with `prefix`.
-inline bool StartsWith(absl::string_view text, absl::string_view prefix) {
-  return prefix.empty() ||
-         (text.size() >= prefix.size() &&
-          memcmp(text.data(), prefix.data(), prefix.size()) == 0);
-}
-
-// EndsWith()
-//
-// Returns whether a given string `text` ends with `suffix`.
-inline bool EndsWith(absl::string_view text, absl::string_view suffix) {
-  return suffix.empty() ||
-         (text.size() >= suffix.size() &&
-          memcmp(text.data() + (text.size() - suffix.size()), suffix.data(),
-                 suffix.size()) == 0);
-}
-
-// EqualsIgnoreCase()
-//
-// Returns whether given ASCII strings `piece1` and `piece2` are equal, ignoring
-// case in the comparison.
-bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2);
-
-// StartsWithIgnoreCase()
-//
-// Returns whether a given ASCII string `text` starts with `prefix`,
-// ignoring case in the comparison.
-bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix);
-
-// EndsWithIgnoreCase()
-//
-// Returns whether a given ASCII string `text` ends with `suffix`, ignoring
-// case in the comparison.
-bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix);
-
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_STRINGS_MATCH_H_