export type RuntimeEmitterListener<TValue> = [TValue] extends [void] ? () => void : (value: TValue) => void;
type RuntimeEmitterArgs<TValue> = [TValue] extends [void] ? [] : [TValue];
export interface RuntimeEmitter<TEvents extends Record<string, unknown>> {
    hook<TName extends keyof TEvents>(name: TName, listener: RuntimeEmitterListener<TEvents[TName]>): () => void;
    has<TName extends keyof TEvents>(name: TName): boolean;
    emit<TName extends keyof TEvents>(name: TName, ...args: RuntimeEmitterArgs<TEvents[TName]>): void;
}
export declare function createRuntimeEmitter<TEvents extends Record<string, unknown>>(onError: (name: keyof TEvents, error: unknown) => void): RuntimeEmitter<TEvents>;
export type RuntimePriorityRegistration<TListener, TOptions extends {
    priority: number;
}> = Readonly<TOptions & {
    listener: TListener;
    order: number;
}>;
export interface RuntimeOrderedRegistry<TValue> {
    append(value: TValue): () => void;
    prepend(value: TValue): () => void;
    values(): readonly TValue[];
    has(): boolean;
    clear(): void;
}
export interface RuntimePriorityRegistry<TListener, TOptions extends {
    priority: number;
}> {
    register(listener: TListener, options: TOptions): () => void;
    entries(): readonly RuntimePriorityRegistration<TListener, TOptions>[];
    has(): boolean;
    clear(): void;
}
export declare function createRuntimeOrderedRegistry<TValue>(): RuntimeOrderedRegistry<TValue>;
export declare function createRuntimePriorityRegistry<TListener, TOptions extends {
    priority: number;
}>(): RuntimePriorityRegistry<TListener, TOptions>;
export {};