+/**
+ * Enumeration of kill behaviors.
+ */
+export const KillBehaviors = Object.freeze({
+ /**
+ * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker **wont** be deleted.
+ */
+ SOFT: 'SOFT',
+ /**
+ * If `lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker will be deleted.
+ */
+ HARD: 'HARD'
+} as const)
+
+/**
+ * Kill behavior.
+ */
+export type KillBehavior = keyof typeof KillBehaviors
+
+/**
+ * Detects whether the given value is a kill behavior or not.
+ *
+ * @template KB Which specific KillBehavior to test against.
+ * @param killBehavior Which kind of kill behavior to detect.
+ * @param value Any value.
+ * @returns `true` if `value` was strictly equals to `killBehavior`, otherwise `false`.
+ */
+export function isKillBehavior<KB extends KillBehavior> (
+ killBehavior: KB,
+ value: unknown
+): value is KB {
+ return value === killBehavior
+}
+
+/**
+ * Options for workers.
+ */