type AbortablePromiseLike = PromiseLike<unknown> & {
    abort: VoidFunction;
    finally: (onFinally?: (() => void) | null) => PromiseLike<unknown>;
};
declare class QueryExecutionManager {
    private readonly queries;
    registerQuery(tabId: string, query: AbortablePromiseLike, database: string): void;
    getQueryDatabase(tabId: string): string | undefined;
    abortQuery(tabId: string): void;
    abortAll(): void;
}
export declare const queryExecutionManagerInstance: QueryExecutionManager;
export {};