import { ApiCaller } from '../api/api-caller';
import { PrimitiveState } from '../utils/PrimitiveState';
export interface FileWithProgress {
    status: 'pending' | 'uploading' | 'success' | 'error';
    id: string;
    file: File;
    fileUrl?: string;
    progress: number;
    error?: string;
}
/** Attachments belong to their conversation, not the mounted composer. */
export declare class UploadCtx {
    private api;
    state: PrimitiveState<FileWithProgress[]>;
    private controllers;
    constructor(api: ApiCaller);
    appendFiles: (files: File[]) => void;
    private update;
    private upload;
    cancel: (id: string) => void;
    reset: () => void;
}
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