}

        @Override
        public void assertInState(T expected) {
            throw new IllegalStateException("Expected " + displayName.getDisplayName() + " to be in state " + expected + " but is in state " + state + " and transitioning to " + targetState + ".");
        }

        @Override

                asWorker {
                    controller.transition(TestState.A, TestState.B) {
                        instant.transitioning
                        thread.block()
                    }
                }
            }
            start {
                thread.blockUntil.transitioning
                asWorker {
                    controller.inState(TestState.A) {
                    }
                }

	//
	// gcBlackenEnabled isn't used directly so as to keep this structure
	// unit-testable.
	gcEnabled bool

	// transitioning is true when the GC is in a STW and transitioning between
	// the mark and sweep phases.
	transitioning bool

	// test indicates whether this instance of the struct was made for testing purposes.
	test bool

	bucket struct {
		// Invariants:
		// - fill >= 0

// Copyright 2021 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.

// Macros for transitioning from the host ABI to Go ABI0.
//
// These save the frame pointer, so in general, functions that use
// these should have zero frame size to suppress the automatic frame
// pointer, though it's harmless to not do this.

#ifdef GOOS_windows

	}
	return w
}

// writeProcStatusForP emits a ProcStatus event for the provided p based on its status.
//
// The caller must fully own pp and it must be prevented from transitioning (e.g. this can be
// called by a forEachP callback or from a STW).
func (w traceWriter) writeProcStatusForP(pp *p, inSTW bool) traceWriter {
	if !pp.trace.acquireStatus(w.gen) {
		return w
	}

// precision of timers, this should be enough larger than the relaxed
// timer precision to keep the timer error acceptable.
const osRelaxMinNS = 0

var haveHighResSleep = true

// osRelax is called by the scheduler when transitioning to and from
// all Ps being idle.
func osRelax(relax bool) {}

// enableWER is called by setTraceback("wer").
// Windows Error Reporting (WER) is only supported on Windows.
func enableWER() {}

public interface BuildScopeModelBuilder {
    /**
     * Creates the model for the given target. The target build will not necessarily have been configured.
     * This method is responsible for transitioning the target into the appropriate state required to create the model.
     *
     * No synchronization is applied to the target, so this method may be called for a given target concurrently by multiple threads.

// Copyright 2021 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.

// Macros for transitioning from the host ABI to Go ABI0.
//
// These macros save and restore the callee-saved registers
// from the stack, but they don't adjust stack pointer, so
// the user should prepare stack space in advance.
// SAVE_R19_TO_R28(offset) saves R19 ~ R28 to the stack space

// Copyright 2022 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.

// Macros for transitioning from the host ABI to Go ABI0.
//
// These macros save and restore the callee-saved registers
// from the stack, but they don't adjust stack pointer, so
// the user should prepare stack space in advance.
// SAVE_R22_TO_R31(offset) saves R22 ~ R31 to the stack space

```

## 4. Enable ILM transition feature