ThreadPoolExhaustedListener 在最新版本中未发现用户配置的入口，这个功能的设计初衷我理解，是发生线程池耗尽通知给应用，目前没看到应用如何添加监听的地方。
String FILE_KEY = "file";
    String FILTER_KEY = "filter";
    String DUMP_DIRECTORY = "dump.directory";
    String CLASSIFIER_KEY = "classifier";
    String VERSION_KEY = "version";
    String REVISION_KEY = "revision";
    String METADATA_KEY = "metadata-type";
    String REPORT_METADATA_KEY = "report-metadata";
    String REPORT_DEFINITION_KEY = "report-definition";
    String DEFAULT_METADATA_STORAGE_TYPE = "local";
    String REMOTE_METADATA_STORAGE_TYPE = "remote";
    String GENERIC_KEY = "generic";
    /**
     * The composite metadata storage type includes {@link #DEFAULT_METADATA_STORAGE_TYPE "local"} and
     * {@link #REMOTE_METADATA_STORAGE_TYPE "remote"}.
     *
     * @since 2.7.8
     */
    String COMPOSITE_METADATA_STORAGE_TYPE = "composite";
    /**
     * Consumer side 's proxy class
     */
    String PROXY_CLASS_REF = "refClass";
    /**
     * generic call
     */
    String $INVOKE = "$invoke";
    String $INVOKE_ASYNC = "$invokeAsync";
    String GENERIC_PARAMETER_DESC = "Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/Object;";
    /**