public static void recordTaskPendingTime(String taskType, String workflowType, long duration) {
        gauge(
                classQualifier,
                "task_pending_time",
                duration,
                "workflowName",
                workflowType,
                "taskType",
                taskType);
    }
@param className Name of the class
@param methodName Method name
core/src/main/java/com/netflix/conductor/metrics/Monitors.java