import * as React from 'react';
import type { FileSection, FileType } from './fileType';
export type UploadPhase = 'converting' | 'uploading';
export interface UploadTask {
    id: string;
    name: string;
    fileType: FileType;
    phase: UploadPhase;
    label: string;
    progress: number | null;
}
type Renderer = (task: UploadTask) => React.ReactElement;
export declare function subscribe(listener: () => void): () => void;
export declare function getSnapshot(): UploadTask[];
/** Installed by UploadProgressBar so the store never has to import JSX. */
export declare function setToastRenderer(render: Renderer | null): void;
export declare function beginTask(task: Omit<UploadTask, 'id'>): string;
export declare function updateTask(id: string, patch: Partial<Pick<UploadTask, 'phase' | 'label' | 'progress'>>): void;
export declare function endTask(id: string): void;
export declare function useUploadTasks(section?: FileSection): UploadTask[];
export {};
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