/**
 * @fileoverview
 * This file contains a utility for converting attribute values to booleans.
 * It's designed to be used as a custom converter for Lit properties, ensuring
 * consistent handling of boolean attributes across all components.
 */
/**
 * Converts an attribute value to a boolean.
 * This converter handles `null`, `undefined`, `boolean`, and `string` values
 * to provide a consistent boolean representation for component properties.
 *
 * - `null` or `undefined` values are treated as `false`.
 * - If the value is already a `boolean`, it is returned as is.
 * - String values are considered `true` unless they are exactly equal to the string 'false'.
 *   This means that an empty string (like in `<my-element disabled>`) is correctly interpreted as `true`.
 *
 * @param {string | boolean | null | undefined} value The attribute value to convert.
 * @returns {boolean} The boolean representation of the value.
 */
export declare const booleanConverter: (value: string | boolean | null | undefined) => boolean;
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