assertEqualsSame(expected, in, isNot('x').collapseFrom(in, replacement));
      assertEqualsSame(expected, in, is('x').negate().collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#123").collapseFrom(in, replacement));
    }
  }

     *
     * @param subKey   the key name directly under match to replace. For example "_type"
     * @param value    the value used in the replacement. For example "bar"
     * @param testName the testName to apply replacement
     */
    public void replaceValueInMatch(String subKey, Object value, String testName) {

        <constraint name="__context__" within="" contains="" />
        <constraint name="src" within="" contains="" />

    private void fireEvent(int event, List<ResolutionListener> listeners, ResolutionNode node, Artifact replacement) {
        fireEvent(event, listeners, node, replacement, null);
    }

    private void fireEvent(
            int event,
            List<ResolutionListener> listeners,
            ResolutionNode node,
            Artifact replacement,
            VersionRange newRange) {
        for (ResolutionListener listener : listeners) {

            0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnReplacement = cci("replacement", "replacement", null, null, String.class, "replacement", null, false,
            false, false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);

   * @throws IOException if an I/O error occurs
   * @deprecated Prefer {@code asCharSource(file, charset).read()}.
   */
  @Deprecated
  @InlineMe(
      replacement = "Files.asCharSource(file, charset).read()",
      imports = "com.google.common.io.Files")
  public static String toString(File file, Charset charset) throws IOException {
    return asCharSource(file, charset).read();
  }

                outputFile.delete();
            }
        }
    }

    // Test variable replacement logic without triggering component dependencies
    @Test
    public void test_variable_replacement_logic() throws Exception {
        // Test the variable replacement logic directly
        final List<String> commands =

   * should either throw an appropriate runtime exception or return a suitable replacement
   * character. It must never silently discard invalid input as this may constitute a security risk.
   *
   * @param cp the Unicode code point to escape if necessary
   * @return the replacement characters, or {@code null} if no escaping was needed
   */
  protected abstract char @Nullable [] escape(int cp);

  /**

        while (matcher.find()) {
            final String key = matcher.group(2);
            String replacement = System.getProperty(key);
            if (replacement == null) {
                replacement = matcher.group(1);
            }
            matcher.appendReplacement(tunedText, replacement.replace("\\", "\\\\").replace("$", "\\$"));

        }
        matcher.appendTail(tunedText);

        value = "${var1${var2}}"; // The ${var2} part gets replaced first
        assertEquals("${var1value2}", ResourceUtil.resolve(value));

        // Test with special characters in replacement
        System.setProperty("special", "value$with\\backslash");
        value = "${special}";
        assertEquals("value$with\\backslash", ResourceUtil.resolve(value));

        // Test with numeric property names