import { IDisposable } from './disposable';
export declare enum ProgressLocation {
    Explorer = 1,
    Scm = 3,
    Extensions = 5,
    Window = 10,
    Notification = 15,
    Dialog = 20
}
export interface IAction extends IDisposable {
    readonly id: string;
    label: string;
    tooltip?: string;
    class?: string;
    enabled?: boolean;
    checked?: boolean;
    primary?: boolean;
    run(event?: any): Promise<any>;
}
export interface IProgressOptions {
    readonly location: ProgressLocation | string;
    readonly title?: string;
    readonly source?: string;
    readonly total?: number;
    readonly cancellable?: boolean;
    readonly closeable?: boolean;
    readonly buttons?: Array<string | IAction>;
}
export interface IProgressNotificationOptions extends IProgressOptions {
    readonly location: ProgressLocation.Notification;
    readonly delay?: number;
    readonly silent?: boolean;
}
export interface IProgressWindowOptions extends IProgressOptions {
    readonly location: ProgressLocation.Window;
    readonly command?: string;
}
export interface IProgressCompositeOptions extends IProgressOptions {
    readonly location: ProgressLocation.Explorer | ProgressLocation.Extensions | ProgressLocation.Scm | ProgressLocation.Window | ProgressLocation.Notification | ProgressLocation.Dialog | string;
    readonly delay?: number;
}
export interface IProgressStep {
    message?: string;
    increment?: number;
    total?: number;
}
export interface IProgress<T> {
    report(item: T): void;
}
export declare class Progress<T> implements IProgress<T> {
    private callback;
    static readonly None: IProgress<unknown>;
    private _value?;
    get value(): T | undefined;
    constructor(callback: (data: T) => void);
    report(item: T): void;
}
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