* typically false on Windows.
 *
 * If this returns false we won't permit simultaneous reads and writes. When writes commit we need
 * to delete the previous snapshots, and that won't succeed if the file is open. (We do permit
 * multiple simultaneous reads.)
 *
 * @param file a file in the directory to check. This file shouldn't already exist!
 */

    "name": "smoke-test",
    "path": "testing/smoke-test",
    "unitTests": false,
    "functionalTests": false,
    "crossVersionTests": false
  },
  {
    "name": "snapshots",
    "path": "platforms/core-execution/snapshots",
    "unitTests": true,
    "functionalTests": true,
    "crossVersionTests": false
  },
  {
    "name": "soak",
    "path": "testing/soak",
    "unitTests": false,

                case "crawler.hotthread.ignore_idle_threads":
                    return "true";
                case "crawler.hotthread.interval":
                    return "500ms";
                case "crawler.hotthread.snapshots":
                    return "10";
                case "crawler.hotthread.threads":
                    return "3";
                case "crawler.hotthread.timeout":
                    return "30s";

          <association>
            <type>RepositoryPolicy</type>
          </association>
        </field>
        <field>
          <name>snapshots</name>
          <version>1.0.0+</version>
          <description>
            How to handle downloading of snapshots from this repository
          </description>
          <association>
            <type>RepositoryPolicy</type>
          </association>

    TransferListener getTransferListener();

    // Logging
    MavenExecutionRequest setLoggingLevel(int loggingLevel);

    int getLoggingLevel();

    // Update snapshots
    MavenExecutionRequest setUpdateSnapshots(boolean updateSnapshots);

    boolean isUpdateSnapshots();

    MavenExecutionRequest setNoSnapshotUpdates(boolean noSnapshotUpdates);

            { "aliases", "allocation", "count", "fielddata", "health", "indices", "master", "nodeattrs", "nodes", "pending_tasks",
                    "plugins", "recovery", "repositories", "thread_pool", "shards", "segments", "snapshots", "templates" };

    // ===================================================================================
    //                                                                           Attribute
    //

    /**

            <option value="$PROJECT_DIR$/platforms/core-execution/scoped-persistent-cache" />
            <option value="$PROJECT_DIR$/platforms/core-execution/snapshots" />
            <option value="$PROJECT_DIR$/platforms/core-execution/worker-main" />
            <option value="$PROJECT_DIR$/platforms/core-execution/worker-process-services" />

crawler.hotthread.ignore_idle_threads=true
# Interval for hot thread monitoring (e.g., 500ms).
crawler.hotthread.interval=500ms
# Number of snapshots for hot thread monitoring.
crawler.hotthread.snapshots=10
# Number of threads for hot thread monitoring.
crawler.hotthread.threads=3
# Timeout for hot thread monitoring (e.g., 30s).
crawler.hotthread.timeout=30s

          <association>
            <type>RepositoryPolicy</type>
          </association>
        </field>
        <field>
          <name>snapshots</name>
          <version>4.0.0+</version>
          <description>How to handle downloading of snapshots from this repository.</description>
          <association>
            <type>RepositoryPolicy</type>
          </association>
        </field>

- Added the `SizeBasedListCostEstimate` feature gate (enabled by default), which...