final boolean result;
        if (test.startsWith(REGEX_PREFIX)) {
            result = actualVersion.matches(test.substring(REGEX_PREFIX.length()));
        } else {
            if (test.startsWith("!")) {
                reverse = true;
                test = test.substring(1);
            }
            result = actualVersion.equals(test);
        }

        return reverse != result;
    }

                final String className = entryName.substring(startPos, entryName.length() - CLASS_SUFFIX.length()).replace('/', '.');
                final int pos = className.lastIndexOf('.');
                final String packageName = pos == -1 ? null : className.substring(0, pos);
                final String shortClassName = pos == -1 ? className : className.substring(pos + 1);

                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {
                    parent--;
                }
                parent = result.lastIndexOf('/', parent);
                if (parent < 0) {
                    result = result.substring(idx + 4);
                } else {

        }

        String name = property.getName();
        boolean reverseName = false;

        if (name != null && name.startsWith("!")) {
            reverseName = true;
            name = name.substring(1);
        }

        if (name == null || name.isEmpty()) {
            problems.add(
                    BuilderProblem.Severity.ERROR,
                    ModelProblem.Version.BASE,

            if (index < 0) {
                locale = new Locale(localeStr);
            } else {
                final String language = localeStr.substring(0, index);
                final String country = localeStr.substring(index + 1);
                locale = new Locale(language, country);
            }
        }
        return locale;
    }

                                Path basedir = projectDir.toAbsolutePath();
                                return new ObjectBasedValueSource(basedir)
                                        .getValue(expression.substring("basedir.".length()));
                            }
                            return null;
                        }
                    },
                    getProjectPrefixes(request),

            return null;
        }

        final int length = messageCode.length();
        if (length > CODE_NUMBER_LENGTH) {
            final String key = messageCode.charAt(0) + messageCode.substring(length - CODE_NUMBER_LENGTH);
            final String pattern = ResourceBundleUtil.getString(resourceBundle, key);
            if (pattern != null) {
                return pattern;
            }
        }

        String result;
        int idx = filename.indexOf('.');
        if (idx < 0) {
            result = filename + '-' + repositoryKey;
        } else {
            result = filename.substring(0, idx) + '-' + repositoryKey + filename.substring(idx);
        }
        return result;
    }

    public LocalArtifactResult find(RepositorySystemSession session, LocalArtifactRequest request) {

    }

    @AfterEach
    void tearDown() throws Exception {
        validator = null;
    }

    private void assertContains(String msg, String substring) {
        assertTrue(msg.contains(substring), "\"" + substring + "\" was not found in: " + msg);
    }

    @Test
    void testValidate() {
        Profile prof = Profile.newBuilder().id("xxx").build();

                pos2 = fromText.length();
            } else if (pos > 0) {
                buf.append(text.substring(pos2, pos));
                buf.append(toText);
                pos2 = pos + fromText.length();
            } else {
                buf.append(text.substring(pos2));
                break;
            }
        }
        return new String(buf);
    }

    /**