import { type SceneDocumentData } from "@skenora/contracts";
import type { SceneFragmentContext, SceneFragmentExtensionAdapter } from "./types.js";
export declare function fragmentExtensionAdapter(namespace: string, context: SceneFragmentContext): SceneFragmentExtensionAdapter;
export declare function extractFragmentExtensions(document: Readonly<SceneDocumentData>, selected: ReadonlySet<string>, context: SceneFragmentContext, version: 1 | 2, serviceIds?: ReadonlySet<string>): SceneDocumentData["extensions"];
export declare function validateFragmentExtensions(document: Readonly<SceneDocumentData>, context: SceneFragmentContext): void;
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