/**
 * @bytevet/htmlsanitizer — A fast, allowlist-based HTML sanitizer powered by WebAssembly.
 *
 * @example
 * ```ts
 * import { sanitize, HtmlSanitizer } from "@bytevet/htmlsanitizer";
 *
 * // Quick sanitization with defaults
 * const clean = sanitize('<script>alert("xss")</script><p>Hello</p>');
 * // => "<p>Hello</p>"
 *
 * // Custom configuration
 * const s = new HtmlSanitizer();
 * s.removeTag("a");
 * const result = s.sanitize('<a href="http://example.com">link</a>');
 * // => "link"
 * ```
 */
/**
 * Sanitize an HTML string using the default allow list.
 *
 * @param input - Raw HTML string to sanitize.
 * @returns Sanitized HTML string with dangerous elements/attributes removed.
 *
 * @example
 * ```ts
 * sanitize('<img src=x onerror="alert(1)">');
 * // => '<img src="x">'
 * ```
 */
export declare function sanitize(input: string): string;
/**
 * A configurable HTML sanitizer.
 *
 * Create an instance to customize which tags and attributes are allowed,
 * then call `.sanitize()` to process HTML strings.
 *
 * @example
 * ```ts
 * const s = new HtmlSanitizer();
 * s.removeTag("img");
 * s.sanitize('<img src="x"><p>text</p>');
 * // => '<p>text</p>'
 * ```
 */
export declare class HtmlSanitizer {
    private inner;
    constructor();
    /**
     * Sanitize an HTML string using this sanitizer's configuration.
     */
    sanitize(input: string): string;
    /**
     * Remove a tag from the allow list.
     *
     * @param name - Lowercase tag name to remove (e.g. "script", "a", "img").
     */
    removeTag(name: string): void;
    /**
     * Add a tag to the allow list.
     *
     * @param name - Lowercase tag name (e.g. "custom-element").
     * @param attrs - Comma-separated non-URL attribute names, or empty string.
     * @param urlAttrs - Comma-separated URL attribute names, or empty string.
     */
    addTag(name: string, attrs?: string, urlAttrs?: string): void;
    /**
     * Add a global attribute allowed on all tags.
     *
     * @param name - Attribute name (e.g. "data-testid").
     */
    addGlobalAttr(name: string): void;
    /**
     * Free the underlying WASM memory. The instance cannot be used after this.
     */
    free(): void;
}
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