import com.google.common.escape.UnicodeEscaper;
import javax.annotation.CheckForNull;

/**
 * A {@code UnicodeEscaper} that escapes some set of Java characters using a UTF-8 based percent
 * encoding scheme. The set of safe characters (those which remain unescaped) can be specified on
 * construction.
 *
 * <p>This class is primarily used for creating URI escapers in {@link UrlEscapers} but can be used

}

// SetDocRef sets the doc URL reference tracker for the messages
func (ms *Messages) SetDocRef(docRef string) *Messages {
	for i := range *ms {
		(*ms)[i].DocRef = docRef
	}
	return ms
}

// FilterOutLowerThan only keeps messages at or above the specified output level
func (ms *Messages) FilterOutLowerThan(outputLevel Level) Messages {
	outputMessages := Messages{}
	for _, m := range *ms {

// limitations under the License.

package msg

// Create static initializers file
//go:generate go run generate.main.go messages.yaml messages.gen.go

    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));
    assertEquals("embedded%00null", e.escape("embedded\0null"));
    assertEquals("max%EF%BF%BFchar", e.escape("max\uffffchar"));
  }

  // Helper to assert common expected behaviour of uri escapers.
  static void assertBasicUrlEscaper(UnicodeEscaper e) {

    // Test quotes are escaped.
    assertEquals(""test"", xmlAttributeEscaper.escape("\"test\""));
    assertEquals("'test'", xmlAttributeEscaper.escape("\'test'"));
    // Test all escapes
    assertEquals(
        "a&quot;b&lt;c&gt;d&amp;e&quot;f&apos;", xmlAttributeEscaper.escape("a\"b<c>d&e\"f'"));
    // Test '\t', '\n' and '\r' are escaped.

	f8(&j)
}

func f10() {
	// These don't escape but are too big for the stack
	var x [1 << 30]byte         // ERROR "moved to heap: x"
	var y = make([]byte, 1<<30) // ERROR "make\(\[\]byte, 1073741824\) escapes to heap"
	_ = x[0] + y[0]
}

// Test for issue 19687 (passing to unnamed parameters does not escape).
func f11(**int) {
}
func f12(_ **int) {
}
func f13() {
	var x *int

// run

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test the run-time behavior of escape analysis-related optimizations.

package main

func main() {
	test1()
}

func test1() {
	check1(0)
	check1(1)
	check1(2)
}

type T1 struct {
	X, Y, Z int
}

func f() int {
	return 1
}

   */
  @Override
  public final String escape(String s) {
    checkNotNull(s); // GWT specific check (do not optimize).
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if ((c < replacementsLength && replacements[c] != null) || c > safeMax || c < safeMin) {
        return escapeSlow(s, i);
      }
    }
    return s;
  }

  /**

    // Test simple escape of '&'.
    assertEquals("foo&bar", htmlEscaper().escape("foo&bar"));

    // If the string contains no escapes, it should return the arg.
    // Note: assert<b>Same</b> for this implementation.
    String s = "blah blah farhvergnugen";
    assertSame(s, htmlEscaper().escape(s));

    // Tests escapes at begin and end of string.
    assertEquals("&lt;p&gt;", htmlEscaper().escape("<p>"));

// Unescape unescapes an CEL identifier containing the escape sequences described in Escape, or return false if the
// string contains invalid escape sequences. The escaped input is expected to be a valid CEL identifier, but is
// not checked.
func Unescape(escaped string) (string, bool) {
	ok := true
	escaped = unexpandMatcher.ReplaceAllStringFunc(escaped, func(s string) string {
		contents := s[2 : len(s)-2]