export { setTrustedSignalSet } from '@lwc/shared';
export type OnUpdate = () => void;
export type Unsubscribe = () => void;
export interface Signal<T> {
    get value(): T;
    subscribe(onUpdate: OnUpdate): Unsubscribe;
}
export declare abstract class SignalBaseClass<T> implements Signal<T> {
    constructor();
    abstract get value(): T;
    private subscribers;
    subscribe(onUpdate: OnUpdate): () => void;
    protected notify(): void;
}
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