import { HsonAttrs, HsonMeta } from "../../../../core/types.js";
/**
 * Extract Hson-facing attributes from a live DOM `Element`.
 *
 * Rules:
 * - Returns `attrs` for user-visible attributes, optional `meta` for reserved
 *   structural metadata, and protected QUID input separately for canonical
 *   attachment by the caller.
 * - Decodes dedicated Hson metadata transit names only for the string parser
 *   path and rejects externally authored private names.
 * - Decodes generic ordinary-attribute transit names only for the string parser
 *   path and rejects externally authored private names.
 * - Normalizes style into a structured object via `parse_style_string`.
 * - Ignores XML namespace noise (`xmlns`, `xmlns:*`, `xml:*`) so HTML/SVG/XML
 *   sources don’t leak parser plumbing into Hson.
 * - Preserves SVG attribute names exactly as the DOM reports them. This keeps
 *   case-sensitive SVG names such as `viewBox`, `stdDeviation`, and
 *   `preserveAspectRatio` intact instead of relying on an incomplete repair map.
 * - Lowercases HTML attribute names for stable HTML/Hson behavior.
 * - For SVG, maps `xlink:href` → `href` only if `href` is not already present,
 *   so downstream code can treat links uniformly.
 * - Canonicalizes boolean/presence flags so `disabled`, `disabled=""`, and
 *   `disabled="disabled"` become `disabled="disabled"` in `attrs`; SVG presence
 *   attributes preserve the SVG key spelling.
 * - Normalizes other attribute values with `normalize_attr_ws` to collapse
 *   whitespace (but does not apply this to `style`, which is parsed separately).
 *
 * @param el - The DOM element to read attributes from.
 * @returns Parsed ordinary attributes plus optional structural metadata and a
 *          separately captured protected QUID value.
 */
export declare function parse_html_attrs(el: Element, nodeTag: string, options?: Readonly<{
    allowHsonTransit?: boolean;
    allowOrdinaryTransit?: boolean;
}>): {
    attrs: HsonAttrs;
    meta?: HsonMeta;
    quid?: string;
};
/**
 * Legacy SVG attr repair map.
 *
 * This is intentionally no longer used by `parse_html_attrs()` for live SVG DOM
 * reads. SVG attributes are now preserved exactly at the namespace boundary.
 * Keep the map available for older parse/repair paths that may need to recover
 * case-sensitive SVG attr names from already-lowercased legacy input.
 */
export declare const SVG_ATTR_CASE_MAP: Record<string, string>;
export declare function canonical_svg_attr_name(name: string): string;
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