import { LitElement } from 'lit';
type UploadItem = {
    name: string;
    url?: string;
    file?: File;
};
export declare class QxsFileUpload extends LitElement {
    static styles: import("lit").CSSResult;
    action: string;
    headers?: Record<string, string>;
    data?: Record<string, string | Blob>;
    name: string;
    size: number;
    width: number;
    height: number;
    max: number;
    accept: string;
    files: UploadItem[];
    notip: boolean;
    ext: string[];
    private _internalFiles;
    private _isDragging;
    private _message;
    private _messageType;
    private _input?;
    private _pendingUploadCount;
    connectedCallback(): void;
    updated(changed: Map<string, unknown>): void;
    private get _exts();
    private _syncFilesFromProps;
    private _setMessage;
    private _clearMessage;
    private _validateFile;
    private _dispatchUploadSuccess;
    private _dispatchFilesChange;
    private _handleSelectedFiles;
    private _handleDrop;
    private _handleDragOver;
    private _handleDragLeave;
    private _handleInputChange;
    private _uploadFile;
    private _handleRemove;
    render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'qxs-file-upload': QxsFileUpload;
    }
}
export {};