import * as i0 from "@angular/core";
export interface UploadFileItem {
    id: string;
    name: string;
    size: number;
    type: string;
    progress: number;
    status: 'pending' | 'uploading' | 'success' | 'error';
    errorMessage?: string;
    formattedSize: string;
    fileObject: File;
}
export declare class FileUploadComponent {
    i18n: import("ngx-core-components/i18n").NgxCoreI18n;
    multiple: import("@angular/core").InputSignal<boolean>;
    accept: import("@angular/core").InputSignal<string>;
    maxSize: import("@angular/core").InputSignal<number>;
    disabled: import("@angular/core").InputSignal<boolean>;
    theme: import("@angular/core").InputSignal<"light" | "dark">;
    uploadUrl: import("@angular/core").InputSignal<string>;
    filesSelected: import("@angular/core").OutputEmitterRef<File[]>;
    fileRemoved: import("@angular/core").OutputEmitterRef<File>;
    uploadProgress: import("@angular/core").OutputEmitterRef<{
        file: File;
        progress: number;
    }>;
    uploadComplete: import("@angular/core").OutputEmitterRef<{
        file: File;
        response: any;
    }>;
    uploadError: import("@angular/core").OutputEmitterRef<{
        file: File;
        error: any;
    }>;
    isDragOver: import("@angular/core").WritableSignal<boolean>;
    fileQueue: import("@angular/core").WritableSignal<UploadFileItem[]>;
    onDropzoneKeyDown(event: KeyboardEvent): void;
    onDragOver(event: DragEvent): void;
    onDragLeave(event: DragEvent): void;
    onDrop(event: DragEvent): void;
    onFileSelected(event: Event): void;
    private handleFiles;
    private validateFile;
    private uploadFile;
    retryUpload(item: UploadFileItem): void;
    removeFile(item: UploadFileItem): void;
    clearAll(): void;
    private updateItemStatus;
    getHelperText(): string;
    private formatBytes;
    static ɵfac: i0.ɵɵFactoryDeclaration<FileUploadComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FileUploadComponent, "ngx-file-upload", never, { "multiple": { "alias": "multiple"; "required": false; "isSignal": true; }; "accept": { "alias": "accept"; "required": false; "isSignal": true; }; "maxSize": { "alias": "maxSize"; "required": false; "isSignal": true; }; "disabled": { "alias": "disabled"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; "uploadUrl": { "alias": "uploadUrl"; "required": false; "isSignal": true; }; }, { "filesSelected": "filesSelected"; "fileRemoved": "fileRemoved"; "uploadProgress": "uploadProgress"; "uploadComplete": "uploadComplete"; "uploadError": "uploadError"; }, never, never, true, never>;
}