import { PropertyValues } from 'lit';
import { BmButton } from '../../Button/Button';
/**
 * `bm-file-upload-button`
 *
 * @slot default - Specify text for the Button
 */
export declare class BmFileUploadButton extends BmButton {
    static styles: import('lit').CSSResult[];
    /**
     * Specify if FileUpload is in error state
     */
    error?: boolean;
    /**
     * Specify the accepted file types
     */
    accept?: string;
    /**
     * Specify if multiple files can be uploaded
     */
    multiple?: boolean;
    private fileUploadContext?;
    private fileInputRef;
    private handleInputChange;
    private openFileDialog;
    constructor();
    protected willUpdate(changedProperties: PropertyValues): void;
    private renderBmButtonWithAdditionalClassName;
    render(): import('lit-html').TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'bm-file-upload-button': BmFileUploadButton;
    }
}
//# sourceMappingURL=FileUpload.Button.d.ts.map