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[SecureContext, Exposed=(Window,Worker), Pref="dom.weblocks.enabled"]
interface LockManager {
[NewObject]
Promise<any> request(DOMString name,
LockGrantedCallback callback);
[NewObject]
Promise<any> request(DOMString name,
LockOptions options,
LockGrantedCallback callback);
[NewObject]
Promise<LockManagerSnapshot> query();
};
callback LockGrantedCallback = Promise<any> (Lock? lock);
enum LockMode { "shared", "exclusive" };
dictionary LockOptions {
LockMode mode = "exclusive";
boolean ifAvailable = false;
boolean steal = false;
AbortSignal signal;
};
dictionary LockManagerSnapshot {
sequence<LockInfo> held;
sequence<LockInfo> pending;
};
dictionary LockInfo {
DOMString name;
LockMode mode;
DOMString clientId;
};