#!/usr/bin/env bash
# Copyright 2020 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.

# A quick and dirty way to obtain code coverage from rulegen's main func. For
# example:
#
#     ./cover.bash && go tool cover -html=cover.out
#
# This script is needed to set up a temporary test file, so that we don't break
# regular 'go run .' usage to run the generator.

    /**
     * Called after an update is complete, returns a new clean state based on this state.
     */
    LockState completeUpdate();

    /**
     * Called before an update is complete, returns a new dirty state based on this state.
     */
    LockState beforeUpdate();

     * between any two nodes, if multiple exists. Uses scope relationships, defined
     * in <code>ArtifactScopeEnum</code>
     *
     * @param graph the "dirty" graph to be simplified via conflict resolution
     * @param scope scope for which the graph should be resolved
     *
     * @return resulting "clean" graph for the specified scope
     *
     * @since 3.0
     */

 * under the License.
 */
package org.apache.maven.repository.metadata;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * metadata [dirty] Tree
 *
 *
 */
@Deprecated
public class MetadataTreeNode {
    ArtifactMetadata md; // this node

    MetadataTreeNode parent; // papa

    /**
     * Copies the given resource to the test directory.
     */
    public void maybeCopy(String resource) {
        // Multi version tests append to the method name, making it miss the resources
        // Below is a dirty way to strip the added content
        if (resource.contains(" ")) {
            resource = resource.substring(0, resource.indexOf(' '));
        }
        TestFile dir = resources.findResource(resource);

     * in a beforeResolve callback.
     *
     * To reduce the number of instances of root component metadata we create, we mark all configurations
     * as dirty and in need of re-evaluation when we see certain types of modifications to a configuration.
     *
     * In the future, we could narrow the number of configurations that need to be re-evaluated, but it would

    // This is like a filter but overrides all transitive versions
    private Map managedVersionMap;

    /** result type - flat list; the default */
    private boolean asList = true;

    /** result type - dirty tree */
    private boolean asDirtyTree = false;

    /** result type - resolved tree */
    private boolean asResolvedTree = false;

    /** result type - graph */
    private boolean asGraph = false;

		}
	}
}

func TestIssue40999(t *testing.T) {
	var m sync.Map

	// Since the miss-counting in missLocked (via Delete)
	// compares the miss count with len(m.dirty),
	// add an initial entry to bias len(m.dirty) above the miss count.
	m.Store(nil, struct{}{})

	var finalized uint32

	// Set finalizers that count for collected keys. A non-zero count
	// indicates that keys have not been leaked.

	metacacheMaxClientWait = 3 * time.Minute

	// metacacheBlockSize is the number of file/directory entries to have in each block.
	metacacheBlockSize = 5000

	// metacacheSharePrefix controls whether prefixes on dirty paths are always shared.
	// This will make `test/a` and `test/b` share listings if they are concurrent.
	// Enabling this will make cache sharing more likely and cause less IO,
	// but may cause additional latency to some calls.

	// Output report format:  2.4  -64-bit process
	// VM page size:  16384 bytes
	//
	// ==== Non-writable regions for process 53799
	// REGION TYPE                    START END         [ VSIZE  RSDNT  DIRTY   SWAP] PRT/MAX SHRMOD PURGE    REGION DETAIL
	// __TEXT                      1029a0000-1033bc000    [ 10.1M  7360K     0K     0K] r-x/rwx SM=COW          /Users/USER/*/gopls