import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { KInputControlValueAccessor } from 'kara-ui-alfa/components/form/base';
import { KFile, KUploadingFile } from './input-file';
import * as i0 from "@angular/core";
type KInputFile = File | any;
interface PreventableEvent {
    defaultPrevented: boolean;
    preventDefault(): void;
}
export type MaxFilesErrorEvent = Readonly<PreventableEvent>;
export type MaxTotalSizeErrorEvent = Readonly<PreventableEvent>;
export declare class KInputFileComponent extends KInputControlValueAccessor<KInputFile[]> implements OnChanges {
    /** Заголовок */
    label?: string;
    /** Описание */
    description?: string;
    /**
     * Допустимые форматы фалов через запятую(нативный input)
     * Пример: `.jpg, .jpeg, .png`
     * `image/*`
     * */
    accept?: string;
    /** Максимальный размер файла в байтах
     * Пример: 1мб = 1 \* 1024 \* 1024
     */
    maxFileSize?: number;
    /** Максимальное количество файлов, если пусто то без ограничений */
    readonly maxFiles: import("@angular/core").InputSignal<number>;
    /** Суммарный максимальный размер файлов в байтах
     *  Пример: 20мб = 20 \* 1024 \* 1024
     */
    readonly maxTotalFileSize: import("@angular/core").InputSignal<number | undefined>;
    /** Отображение названия файла */
    mapName: (file: KInputFile) => string;
    /** Отображение размера файла в байтах */
    mapSizeInBytes: (file: KInputFile) => number | null;
    /** Если нужна логика по пред загрузке файла.
     * Пример:
     *  ```
     * uploadFile({ file, responseHandler }: KUploadingFile): void {
     *  this.http
     *   .post('https://api', file, { observe: 'events', reportProgress: true })
     *   .subscribe((response) => {
     *     responseHandler(response);
     *   });
     * }
     * ```
     */
    uploadFile: EventEmitter<KUploadingFile>;
    valueChange: EventEmitter<any[]>;
    protected readonly maxFileError: import("@angular/core").OutputEmitterRef<Readonly<PreventableEvent>>;
    protected readonly maxTotalFileSizeError: import("@angular/core").OutputEmitterRef<Readonly<PreventableEvent>>;
    filesData: KFile[];
    fileAlreadyExist: string[];
    protected readonly showMaxFilesError: import("@angular/core").WritableSignal<boolean>;
    protected readonly showMaxTotalFileSizeError: import("@angular/core").WritableSignal<boolean>;
    protected readonly maxTotalFileSizeFormatted: import("@angular/core").Signal<string | null>;
    readonly loadingFile: KFile;
    protected readonly language: import("@angular/core").Signal<{
        loading: string;
        invalidFileSize: string;
        invalidFileFormat: string;
        errorFileLoading: string;
        repeatUploading: string;
        maxFileErrorTitle: string;
        maxFileErrorDescription: string;
        fileAlreadyLoaded: string;
        dragZoneLoadingOne: string;
        dragZoneExtraOne: string;
        dragZoneLoadingMany: string;
        dragZoneExtraMany: string;
        maxTotalFileSizeError: string;
    } | undefined>;
    protected readonly multiple: import("@angular/core").Signal<boolean>;
    ngOnChanges(changes: SimpleChanges): void;
    onRemove(fileToRemove: KFile): void;
    onReload(file: KFile): void;
    processFiles(files: FileList | null): void;
    closeMaxTotalSizeErrorAlert(): void;
    closeMaxFilesErrorAlert(): void;
    closeFileAlreadyLoaded(): void;
    filesTrackBy(index: number, file: KFile): File | string | number;
    private initUploadingFile;
    private updateControlValue;
    private isFormatAcceptable;
    private responseHandler;
    private updateFile;
    writeValue(value: KInputFile[] | undefined): void;
    private defaultMapName;
    private defaultMapSize;
    private triggerMaxFilesError;
    private triggerMaxTotalFileSizeError;
    static ɵfac: i0.ɵɵFactoryDeclaration<KInputFileComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<KInputFileComponent, "k-input-file", never, { "label": { "alias": "label"; "required": false; }; "description": { "alias": "description"; "required": false; }; "accept": { "alias": "accept"; "required": false; }; "maxFileSize": { "alias": "maxFileSize"; "required": false; }; "maxFiles": { "alias": "maxFiles"; "required": false; "isSignal": true; }; "maxTotalFileSize": { "alias": "maxTotalFileSize"; "required": false; "isSignal": true; }; "mapName": { "alias": "mapName"; "required": false; }; "mapSizeInBytes": { "alias": "mapSizeInBytes"; "required": false; }; }, { "uploadFile": "uploadFile"; "valueChange": "valueChange"; "maxFileError": "maxFileError"; "maxTotalFileSizeError": "maxTotalFileSizeError"; }, never, never, true, never>;
}
export {};