declare const sanitizedHtmlBrand: unique symbol;
declare const trustedHtmlBrand: unique symbol;
/**
 * Branded HTML string produced by bQuery's sanitization or escaping template helpers.
 *
 * Values returned from {@link sanitizeHtml} carry sanitized markup. Values returned from
 * {@link safeHtml} preserve the template's static markup while escaping normal interpolations
 * and splicing {@link trusted} fragments verbatim. This brand is not intended for arbitrary
 * strings or manual concatenation outside those helpers.
 */
export type SanitizedHtml = string & {
    readonly [sanitizedHtmlBrand]: true;
};
/**
 * Marker object that safeHtml can splice into templates without escaping again.
 */
export type TrustedHtml = {
    readonly [trustedHtmlBrand]: true;
    toString(): string;
};
/**
 * Apply the internal {@link SanitizedHtml} brand to helper output.
 *
 * @internal
 */
export declare const toSanitizedHtml: (html: string) => SanitizedHtml;
/**
 * Mark a sanitized HTML string for verbatim splicing into safeHtml templates.
 *
 * @param html - HTML previously produced by sanitizeHtml, safeHtml, or another trusted bQuery helper
 * @returns Trusted HTML marker object for safeHtml interpolations
 *
 * @example
 * ```ts
 * const badge = trusted(sanitizeHtml('<strong onclick="alert(1)">New</strong>'));
 * const markup = safeHtml`<span>${badge}</span>`;
 * ```
 */
export declare const trusted: (html: SanitizedHtml) => TrustedHtml;
/**
 * Check whether a value is a trusted HTML marker created by trusted().
 *
 * @internal
 */
export declare const isTrustedHtml: (value: unknown) => value is TrustedHtml;
/**
 * Unwrap the raw HTML string stored inside a trusted HTML marker.
 *
 * @internal
 */
export declare const unwrapTrustedHtml: (value: TrustedHtml) => string;
export {};
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