import { types as t } from "@marko/compiler";
import * as ContentType from "./constants/content-type";
import type { DOMRuntimeFeature, DOMRuntimeHelpers } from "./runtime";
export interface TagFacts {
    /** What renders at its edges, `null` for nothing. */
    content: ContentType.Value | null | ((tag: t.MarkoTag) => ContentType.Value | null);
    /** Its body renders into the section holding the tag. */
    inlineBody?: true;
    /** Its body is text rather than markup. */
    textBody?: true;
    /** It renders its body in its own place, with no node of its own. */
    controlFlow?: true;
    /** One of the document's own elements: the parser implies and moves nodes
     * into it, and the page writes assets and resume scripts into it. */
    pageElement?: true;
    /** Its insertion mode drops an unknown element but keeps its children, so a
     * wrapper around content inside it is discarded. */
    discardsWrapperChildren?: true;
}
export declare const controllableElements: Map<string, {
    attrs: string[];
    spreadHelper: DOMRuntimeHelpers;
    feature: DOMRuntimeFeature;
}>;
export declare function getTagFacts(tag: t.NodePath<t.MarkoTag>): TagFacts;
export declare function getTagContentType(tag: t.NodePath<t.MarkoTag>): ContentType.Value | null;
export declare function isInTextBody(child: t.NodePath<t.MarkoPlaceholder | t.MarkoText>): boolean;
export declare function isControllableAttr(name: string): boolean;