import ImportRecord from './ImportRecord';
import { FileEngine } from './engines/FileEngine';
export interface ProgressIndicator {
    updateProgress(progress: number): void;
    advance(units: number): void;
}
export interface ImportProgress {
    updateProgress(progress: number): void;
    success(records: ImportRecord[]): void;
    fail(records: ImportRecord[]): void;
}
export default class PushElement extends HTMLElement implements ImportProgress {
    private readonly fileEngine;
    private readonly units;
    private readonly progressCallback?;
    private progress;
    private failed;
    private timer;
    constructor(fileEngine: FileEngine, units: number, progressCallback?: ((processed: number, failed: number, total: number) => void) | undefined);
    connectedCallback(): void;
    updateProgress(progress: number): void;
    success(records: ImportRecord[]): void;
    fail(records: ImportRecord[]): void;
}