import type { SceneFragmentContext, SceneFragmentValidationResult } from "./types.js";
/** Explicit, lossless protocol conversion. Does not create an instance relationship. */
export declare function convertSceneFragmentVersion(input: unknown, version: 1 | 2, context?: SceneFragmentContext): SceneFragmentValidationResult & {
    readonly conversion?: {
        readonly from: 1 | 2;
        readonly to: 1 | 2;
        readonly addedDomains: readonly string[];
    };
};
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