import { HsonQuery } from "../../../types/livetree.types.js";
/**
 * Parse a *simple* CSS selector string into an `HsonQuery`.
 *
 * Supported selector features (intentionally limited):
 * - Tag selectors:        `div`, `span`
 * - ID selectors:         `#main`
 * - Class selectors:      `.item` (multiple classes are space-joined)
 * - Attribute equality:   `[type="button"]`
 * - Attribute presence (`[disabled]`) is currently ignored.
 *
 * Explicit non-goals (by design):
 * - No combinators (`>`, `+`, `~`, whitespace)
 * - No pseudo-classes / pseudo-elements
 * - No namespaces, escaping, or selector lists
 *
 * Semantics:
 * - The first leading tag name (if present) becomes `query.tag`
 * - `#id` maps to `attrs.id`
 * - `.class` values accumulate into a single space-delimited `attrs.class`
 * - `[attr="value"]` sets `attrs[attr] = value`
 * - Bare `[attr]` does not add a constraint (presence checks are not represented)
 *
 * This parser is intended for Hson’s internal querying needs, not as a
 * general-purpose CSS selector engine.
 *
 * @param selector - A simple selector string (e.g. `div#app.item[data-x="1"]`)
 * @returns A normalized `HsonQuery` object
 */
export declare function parse_selector(sel: string): HsonQuery;
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