import { OnDestroy } from '@angular/core';
import { UploadFileItem } from '../file-upload/file-upload.component';
import * as i0 from "@angular/core";
export interface PreviewFileItem {
    id: string;
    name: string;
    size: number;
    type: string;
    status: 'pending' | 'uploading' | 'success' | 'error';
    progress: number;
    errorMessage?: string;
    formattedSize: string;
    thumbnailUrl?: string;
    fileObject?: File;
}
export declare class FilePreviewComponent implements OnDestroy {
    files: import("@angular/core").InputSignal<File[] | UploadFileItem[] | null>;
    layout: import("@angular/core").InputSignal<"list" | "grid">;
    allowDelete: import("@angular/core").InputSignal<boolean>;
    allowDownload: import("@angular/core").InputSignal<boolean>;
    theme: import("@angular/core").InputSignal<"light" | "dark">;
    delete: import("@angular/core").OutputEmitterRef<any>;
    download: import("@angular/core").OutputEmitterRef<any>;
    private objectUrlCache;
    previewFiles: import("@angular/core").Signal<({
        id: string;
        name: string;
        size: number;
        type: string;
        progress: number;
        status: "success";
        formattedSize: string;
        fileObject: File;
        thumbnailUrl: string | undefined;
        errorMessage?: undefined;
    } | {
        id: string;
        name: string;
        size: number;
        type: string;
        progress: number;
        status: "success" | "error" | "pending" | "uploading";
        errorMessage: string | undefined;
        formattedSize: string;
        fileObject: File;
        thumbnailUrl: string | undefined;
    })[]>;
    ngOnDestroy(): void;
    onDelete(item: PreviewFileItem): void;
    onDownload(item: PreviewFileItem): void;
    getFileDetails(item: PreviewFileItem): {
        label: string;
        color: string;
        icon: string;
    };
    private getObjectUrl;
    private findOriginal;
    private formatBytes;
    static ɵfac: i0.ɵɵFactoryDeclaration<FilePreviewComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FilePreviewComponent, "ngx-file-preview", never, { "files": { "alias": "files"; "required": false; "isSignal": true; }; "layout": { "alias": "layout"; "required": false; "isSignal": true; }; "allowDelete": { "alias": "allowDelete"; "required": false; "isSignal": true; }; "allowDownload": { "alias": "allowDownload"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; }, { "delete": "delete"; "download": "download"; }, never, never, true, never>;
}