import { CSSResultGroup, TemplateResult, LitElement } from 'lit';

export type DOMEvent = globalThis.Event;
declare const SbbFileSelectorElement_base: import('../core/mixins.js').AbstractConstructor<import('../core/mixins.js').SbbDisabledMixinType> & typeof LitElement;
/**
 * It allows to select one or more file from storage devices and display them.
 *
 * @slot error - Use this to provide a `sbb-form-error` to show an error message.
 * @event {CustomEvent<File[]>} fileChanged - An event which is emitted each time the file list changes.
 */
export declare class SbbFileSelectorElement extends SbbFileSelectorElement_base {
    static styles: CSSResultGroup;
    static readonly events: {
        readonly fileChangedEvent: "fileChanged";
    };
    /** Whether the component has a dropzone area or not. */
    variant: 'default' | 'dropzone';
    /** Whether more than one file can be selected. */
    multiple: boolean;
    /** Whether the newly added files should override the previously added ones. */
    multipleMode: 'default' | 'persistent';
    /** A comma-separated list of allowed unique file type specifiers. */
    accept?: string;
    /** The title displayed in `dropzone` variant. */
    titleContent?: string;
    /** This will be forwarded as aria-label to the native input element. */
    accessibilityLabel: string | undefined;
    /** The list of selected files. */
    private _files?;
    /** An event which is emitted each time the file list changes. */
    private _fileChangedEvent;
    /**
     * Gets the currently selected files.
     */
    get files(): File[];
    /**
     * @deprecated use 'files' property instead
     */
    getFiles(): File[];
    private _counter;
    private _loadButton;
    private _dragTarget?;
    private _hiddenInput;
    private _suffixes;
    private _liveRegion;
    private _language;
    constructor();
    private _blockEvent;
    private _checkFileEquality;
    private _onDragEnter;
    private _onDragLeave;
    private _onFileDrop;
    private _onFocus;
    private _onBlur;
    private _setDragState;
    private _readFiles;
    private _createFileList;
    private _removeFile;
    /** Calculates the correct unit for the file's size. */
    private _formatFileSize;
    private _renderDefaultMode;
    private _renderDropzoneArea;
    private _renderFileList;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-file-selector': SbbFileSelectorElement;
    }
}
export {};
//# sourceMappingURL=file-selector.d.ts.map