import type { ComplexAttributeConverter } from "lit";
/**
 * boolConverter — EDS custom Lit attribute converter for boolean properties.
 *
 * Enables all three usage patterns for boolean attributes on EDS web components:
 *
 *   1. HTML boolean (presence = true)       <eds-input disabled>
 *   2. Explicit string true                 <eds-input disabled="true">
 *   3. Explicit string false (to opt-out)   <eds-input disabled="false">
 *
 * `fromAttribute` rules:
 *   - `null`    (attribute absent)  → false
 *   - `"false"` or `"0"`           → false
 *   - `""`      (bare attribute)   → true  (standard HTML boolean behaviour)
 *   - `"true"`  or `"1"`           → true
 *   - any other string             → true
 *
 * `toAttribute` rules (used when reflect: true):
 *   - true  → `"true"`  (shows in the DOM / Storybook code as disabled="true")
 *   - false → `null`    (removes the attribute; keeps DOM clean)
 *
 * Usage:
 *   @property({ converter: boolConverter, reflect: true })
 *   disabled = false;
 */
export declare const boolConverter: ComplexAttributeConverter<boolean>;
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