import type { IResettableModel, IValueModel } from './types.js';
export type LoadingWorker<T> = () => (T | Promise<T>);
export type LoadingResult<T = unknown> = {
    aborted: true;
} | {
    aborted: false;
    result: T;
};
export declare function withLoading<T>(this: void, model: IValueModel<boolean>, cb: LoadingWorker<T>, exclusive?: boolean | 'throw'): Promise<LoadingResult<T>>;
export declare class LoadingModel implements IValueModel<boolean>, IResettableModel {
    protected readonly _number: IValueModel<number> & IResettableModel;
    protected _firstInit: boolean;
    /**
     * @param useFirstInit - if true, then `isLoading` will be returning 'true' until first `useLoading` call. Defaults to false.
     */
    constructor(useFirstInit?: boolean);
    get isLoading(): boolean;
    get value(): boolean;
    set value(v: boolean);
    useLoading<T>(cb: LoadingWorker<T>, exclusive?: boolean | 'throw'): Promise<LoadingResult<T>>;
    reset(): void;
    setValue(isLoading: boolean): void;
    /** override me */
    protected incrementLoading(): void;
    /** override me */
    protected decrementLoading(): void;
    /** override me
     *
     * Called in the ctor. Should be pure and should NOT access `this`. */
    protected pureConstructNumberModel(): IValueModel<number> & IResettableModel;
}
export declare class ExclusiveLoadingError extends Error {
    readonly actionName?: string | undefined;
    constructor(message?: string, actionName?: string | undefined);
}