import { LiveTree } from "../livetree.js";
import { TreeSelector } from "../creation/tree-selector.js";
/**
 * Graph-backed markup snapshot for a tree-owned content capability.
 *
 * These strings are serialized from the Hson node graph, not read from a
 * mounted DOM element. They are therefore available for detached branches.
 */
export type ContentMarkupApi = Readonly<{
    /** Serialized child markup for the owner node. */
    readonly innerHTML: string;
    /** Serialized owner-node markup, including the owner tag itself. */
    readonly outerHTML: string;
}>;
/** Supported structured content operations owned by `LiveTree.content`. */
export interface ContentManager {
    readonly markup: ContentMarkupApi;
    count(): number;
    at(ix: number): LiveTree | undefined;
    first(): LiveTree | undefined;
    all(): TreeSelector;
    deep(): TreeSelector;
    mustOnly(opts?: {
        warn?: boolean;
    }): LiveTree;
}
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