import type { HDOMOpts } from "./api.js";
/**
 * Expands single hiccup element/component into its canonical form:
 *
 * ```
 * [tagname, {attribs}, ...children]
 * ```
 *
 * Emmet-style ID and class names in the original tagname are moved into
 * the attribs object, e.g.:
 *
 * ```
 * ["div#foo.bar.baz"] => ["div", {id: "foo", class: "bar baz"}]
 * ```
 *
 * If both Emmet-style classes AND a `class` attrib exists, the former
 * are appended to the latter:
 *
 * ```
 * ["div.bar.baz", {class: "foo"}] => ["div", {class: "foo bar baz"}]
 * ```
 *
 * Elements with `__skip` attrib enabled and no children, will have an
 * empty text child element injected.
 *
 * @param spec - single hdom component
 * @param keys -
 *
 * @internal
 */
export declare const normalizeElement: (spec: any[], keys: boolean) => any[];
/**
 * See {@link HDOMImplementation} interface for further details.
 *
 * @param opts - hdom config options
 * @param tree - component tree
 */
export declare const normalizeTree: (opts: Partial<HDOMOpts>, tree: any) => any;
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