/**
 * Booleanish type that accepts boolean or string "true"/"false"
 * This allows attributes to be set as strings in HTML
 */
export type Booleanish = boolean | 'true' | 'false';
/**
 * Converter for booleanish attributes
 * Converts string "true"/"false" to boolean values
 */
export declare const booleanishConverter: {
    fromAttribute(value: string | boolean | null): boolean;
    toAttribute(value: boolean): string | null;
};