import { EventEmitter } from '@angular/core';
import { HttpEvent, HttpRequest, HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
export declare class FileComponent {
    private http;
    uiChange: EventEmitter<any>;
    uiUploadStart: EventEmitter<void>;
    uiUploading: EventEmitter<number>;
    uiUploaded: EventEmitter<any>;
    uiUploadError: EventEmitter<Error>;
    placeholder: string;
    name: string;
    filename: string;
    forId: string;
    accept: string;
    beforeUpload: (files: FileList) => (boolean | Observable<boolean>);
    uploader: (data: FormData) => (HttpRequest<any> | Observable<HttpEvent<any>>);
    focus: boolean;
    disabled: boolean;
    readonly: boolean;
    multiple: boolean;
    isShowLoading: boolean;
    progress: number;
    refreshState: boolean;
    constructor(http: HttpClient);
    selectedFiles(event: any): void;
    private processBefore;
    private upload;
    private refresh;
}