buf.append('\t').append("action:begin");
                buf.append('\t').append("error:").append(escapeValue(e.getLocalizedMessage()).replaceAll("\\s", " "));
                log(buf);
            }
        });
    }

    public void record(final Object keyObj, final StatsAction action) {
        record(keyObj, action.name().toLowerCase(Locale.ENGLISH));

        return replaceAll(Pattern.compile(regex), inString, byString);
    }

    private static String replaceAll(Pattern pattern, CharSequence inString, String byString) {
        return pattern.matcher(inString).replaceAll(byString);
    }

    /**
     * Converts all line separators in the specified string to the platform's line separator.
     */

        return "libs." + libraryEntry.alias.replaceAll("-", ".");
    }

    public String registerPlugin(String pluginId, String version) {
        String alias = fullyQualifiedAliases ? coordinatesToAlias(pluginId) : pluginIdToAlias(pluginId);
        PluginEntry pluginEntry = findOrCreatePluginEntry(alias, pluginId, version);
        return "libs.plugins." + pluginEntry.alias.replaceAll("-", ".");
    }

        String result = source.toLowerCase();

        // replace invalid characters
        result = ID_PATTERN.matcher(result).replaceAll("");

        // normalize separators
        result = SEPARATOR_PATTERN.matcher(result).replaceAll(PART_SEPARATOR);

        // strip separator from the end
        if (result.endsWith(PART_SEPARATOR)) {
            result = result.substring(0, result.length() - 1);

      return matcher.find();
    }

    @Override
    public boolean find(int index) {
      return matcher.find(index);
    }

    @Override
    public String replaceAll(String replacement) {
      return matcher.replaceAll(replacement);
    }

    @Override
    public int end() {
      return matcher.end();
    }

    @Override
    public int start() {
      return matcher.start();
    }

	printer.Fprint(&buf, fset, funcAST.Body)

	// Remove braces {} enclosing the function body, unindent,
	// and trim leading and trailing white space.
	s := buf.String()
	s = s[1 : len(s)-1]
	s = strings.TrimSpace(strings.ReplaceAll(s, "\n\t", "\n"))

	// Print the cleaned-up body text to stdout.
	fmt.Println(s)
}

func ExampleFprint() {
	printSelf()

	// Output:
	// funcAST, fset := parseFunc("example_test.go", "printSelf")
	//

	re := regexp.MustCompile(`a(x*)b`)
	fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("T")))
	fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("$1")))
	fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("$1W")))
	fmt.Printf("%s\n", re.ReplaceAll([]byte("-ab-axxb-"), []byte("${1}W")))

	re2 := regexp.MustCompile(`a(?P<1W>x*)b`)
	fmt.Printf("%s\n", re2.ReplaceAll([]byte("-ab-axxb-"), []byte("$1W")))

	const in = `{"Package":"abc"}
{"Field1":"1","Package":"abc","Field3":"3"}
{"Package":123}
{}
{"Package":"abc","Unexpected":[null,true,false,99999999999999999999]}
`
	want := strings.ReplaceAll(in, `"Package":"abc"`, `"Package":"abc:variant"`)

	checkJSONFilter(t, in, want)
}

func TestJSONFilterMalformed(t *testing.T) {
	const in = `unexpected text
{"Package":"abc"}
more text

    @Override
    protected extractResults() {
        def contents = normaliseLineSeparators(file("build/reports/tests/test/index.html").text)
        contents = contents.replaceAll(/(<a href=".*">Gradle .*?<\/a>) at [^<]+/, '$1 at [DATE]' )
        contents = contents.replaceAll(/\b\d+(\.\d+)?s\b/, "[TIME]")
        return contents
    }

        "keys()"                                  | call(p -> p.keys())
        "elements()"                              | call(p -> p.elements())
        "replaceAll(BiFunction)"                  | call(p -> p.replaceAll((k, v) -> v))
        "save(OutputStream, String)"              | call(p -> p.save(ByteStreams.nullOutputStream(), ""))