Add the SharedTimedLockable interface

src/index.ts

@@ -3,6 +3,7 @@ export { BasicLockable } from "./types/basicLockable";
 export { type CVStatus, CV_OK, CV_TIMED_OUT } from "./types/cvStatus";
 export { Lockable } from "./types/lockable";
 export { SharedLockable } from "./types/sharedLockable";
+export { SharedTimedLockable } from "./types/sharedTimedLockable";
 export { TimedLockable } from "./types/timedLockable";
 
 // Errors

src/types/sharedTimedLockable.d.ts

@@ -0,0 +1,20 @@
+import { SharedLockable } from "./sharedLockable";
+
+/**
+ * Extends the {@link SharedLockable} interface to include timed blocking.
+ */
+export interface SharedTimedLockable extends SharedLockable {
+  /**
+   * Blocks for the provided duration or until a lock is acquired.
+   *
+   * @returns `true` if the lock was acquired, `false` otherwise.
+   */
+  tryLockSharedFor(timeout: number): Promise<boolean>;
+
+  /**
+   * Blocks until the provided timestamp is reached or a lock is acquired.
+   *
+   * @returns `true` if the lock was acquired, `false` otherwise.
+   */
+  tryLockSharedUntil(timestamp: number): Promise<boolean>;
+}