actual, loaded = clean[key]
	if !loaded {
		dirty := m.dirty()
		dirty[key] = value
		actual = value
		m.clean.Store(dirty)
	}
	m.mu.Unlock()
	return actual, loaded
}

func (m *DeepCopyMap) Swap(key, value any) (previous any, loaded bool) {
	m.mu.Lock()
	dirty := m.dirty()
	previous, loaded = dirty[key]
	dirty[key] = value
	m.clean.Store(dirty)
	m.mu.Unlock()
	return
}

	m.misses++
	if m.misses < len(m.dirty) {
		return
	}
	m.read.Store(&readOnly{m: m.dirty})
	m.dirty = nil
	m.misses = 0
}

func (m *Map) dirtyLocked() {
	if m.dirty != nil {
		return
	}

	read := m.loadReadOnly()
	m.dirty = make(map[any]*entry, len(read.m))
	for k, e := range read.m {
		if !e.tryExpungeLocked() {
			m.dirty[k] = e
		}
	}
}

      fi
      if [[ "${KUBE_GIT_TREE_STATE}" == "dirty" ]]; then
        # git describe --dirty only considers changes to existing files, but
        # that is problematic since new untracked .go files affect the build,
        # so use our idea of "dirty" from git status instead.
        KUBE_GIT_VERSION+="-dirty"
      fi


      # Try to match the "git describe" output to a regex to try to extract

    }

    void isVersionLockFile(TestFile lockFile, boolean dirty) {
        assert lockFile.isFile()
        assert lockFile.length() == 2
        lockFile.withDataInputStream { str ->
            assert str.readByte() == 1
            assert str.readBoolean() != dirty
        }
    }

    @Override
    void isVersionLockFileWithInfoRegion(TestFile lockFile, boolean dirty, String processIdentifier, String operationalName) {

    }

    void isVersionLockFile(TestFile lockFile, boolean dirty) {
        assert lockFile.isFile()
        assert lockFile.length() <= 2048
        lockFile.withDataInputStream { str ->
            // state version + creation number + sequence number
            assert str.readByte() == 3
            str.readLong()
            if (dirty) {
                assert str.readLong() == 0
            } else {

-e .[all]
-r requirements-docs-tests.txt
pytest >=7.1.3,<8.0.0
coverage[toml] >= 6.5.0,< 8.0
mypy ==1.8.0
ruff ==0.2.0
dirty-equals ==0.6.0
# TODO: once removing databases from tutorial, upgrade SQLAlchemy
# probably when including SQLModel
sqlalchemy >=1.3.18,<1.4.43
databases[sqlite] >=0.3.2,<0.7.0
flask >=1.1.2,<3.0.0
anyio[trio] >=3.2.1,<4.0.0
PyJWT==2.8.0
pyyaml >=5.3.1,<7.0.0
passlib[bcrypt] >=1.7.2,<2.0.0

# types

   * contains space-separated values: a state, a key, and optional state-specific values.
   *
   *   o DIRTY lines track that an entry is actively being created or updated. Every successful
   *     DIRTY action should be followed by a CLEAN or REMOVE action. DIRTY lines without a matching
   *     CLEAN or REMOVE indicate that temporary files may need to be deleted.
   *

    }

    abstract void isVersionLockFile(TestFile lockFile, boolean dirty)

    void isVersionLockFileWithInfoRegion(TestFile lockFile, boolean dirty) {
        isVersionLockFileWithInfoRegion(lockFile, dirty, "123", "operation")
    }

    abstract void isVersionLockFileWithInfoRegion(TestFile lockFile, boolean dirty, String processIdentifier, String operationalName)

	// just return without opening go.sum.
	dirty := false
Outer:
	for m, hs := range goSum.m {
		for _, h := range hs {
			st := goSum.status[modSum{m, h}]
			if st.dirty && (!st.used || keep[m]) {
				dirty = true
				break Outer
			}
		}
	}
	if !dirty {
		return nil
	}
	if readonly {
		return ErrGoSumDirty
	}

    protected ProgressEvents() {
    }

    void clear() {
        events.clear()
        operations.clear()
        dirty = false
    }

    /**
     * Asserts that the events form zero or more well-formed trees of operations.
     */
    void assertHasZeroOrMoreTrees() {
        if (!dirty) {
            return;
        }

        Set<OperationDescriptor> seen = []