this.lockManager = fileLockManager;
        this.executorFactory = executorFactory;
        this.buildOperationRunner = buildOperationRunner;
    }

    void onOpen(Object cache) {
    }

    void onClose(Object cache) {
    }

    @Override

import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.hasEntry
import org.junit.Test
import java.io.StringWriter


class JsonModelWriterTest {

    @Test
    fun `encodes model with empty strings correctly`() {
        assertThat(
            jsonModelFor {
                beginModel()
                writeDiagnostic(
                    DiagnosticKind.INPUT,

     */
    fun loadOrCreateProjectMetadata(identityPath: Path, creator: () -> LocalComponentGraphResolveState): LocalComponentGraphResolveState

    /**
     * Flushes any remaining state to the cache and closes any resources
     */
    fun finalizeCacheEntry()

    // This is a temporary property to allow migration from a root build scoped cache to a build tree scoped cache
    val isLoaded: Boolean

// following the node; for others (*BlockStmt, *SwitchStmt, etc.) it
// returns the position of the closing '}'; and for some (*ParenExpr)
// the returned position is the end position of the last enclosed
// expression.
// Thus, EndPos should not be used for exact demarcation of the
// end of a node in the source; it is mostly useful to determine
// scope ranges where there is some leeway.
func EndPos(n Node) Pos {

//
// # Output Format
//
// The JSON stream is a newline-separated sequence of TestEvent objects
// corresponding to the Go struct:
//
//	type TestEvent struct {
//		Time    time.Time // encodes as an RFC3339-format string
//		Action  string
//		Package string
//		Test    string
//		Elapsed float64 // seconds
//		Output  string
//	}
//
// The Time field holds the time the event happened.

    override val sharedIdentities = WriteIdentities()

    override val circularReferences = CircularReferences()

    /**
     * Closes the given [encoder] if it is [AutoCloseable].
     */
    override fun close() {
        (encoder as? AutoCloseable)?.close()
    }

    override fun beanStateWriterFor(beanType: Class<*>): BeanStateWriter =

	sv := strings.TrimSuffix(fmt.Sprintf("%.2f", v), ".00")
	if sv == "0" || sv == "-0" {
		return "0"
	}
	return sv + u
}

// Percentage computes the percentage of total of a value, and encodes
// it as a string. At least two digits of precision are printed.
func Percentage(value, total int64) string {
	var ratio float64
	if total != 0 {
		ratio = math.Abs(float64(value)/float64(total)) * 100
	}

	// with names matching the regular expression.
	// If addr is not zero, Symbols restricts the list to symbols
	// containing that address.
	Symbols(r *regexp.Regexp, addr uint64) ([]*Sym, error)

	// Close closes the file, releasing associated resources.
	Close() error
}

// A Frame describes a location in a single line in a source file.
type Frame struct {
	Func   string // name of function

	// with names matching the regular expression.
	// If addr is not zero, Symbols restricts the list to symbols
	// containing that address.
	Symbols(r *regexp.Regexp, addr uint64) ([]*Sym, error)

	// Close closes the file, releasing associated resources.
	Close() error
}

// A Frame describes a single line in a source file.
type Frame struct {
	Func   string // name of function
	File   string // source file name