import type { ModelConfig } from "../game/playableGame.js";
import { type MaterialAsset, type MaterialAssignment, type MaterialSelector } from "../material/materialAsset.js";
import type { EditorDocument } from "./types.js";
/** Validate and copy a material asset at the editor boundary. */
export declare function parseEditorMaterialAsset(value: unknown): MaterialAsset;
/**
 * Read named assignments from authored marker metadata without inferring whole-model overrides.
 * @capability authored-material-slots read validated material assignments from editor marker metadata
 */
export declare function authoredMaterialAssignments(meta: Record<string, unknown> | undefined): MaterialAssignment[];
/** Compare selector meaning independently of serialized property order. @internal */
export declare function sameMaterialSelector(a: MaterialSelector, b: MaterialSelector): boolean;
/** Apply authored references; document assets and selectors override model defaults of the same identity. */
export declare function modelWithAuthoredMaterials(model: ModelConfig | undefined, document: Pick<EditorDocument, "markers" | "materialAssets">, instanceId: string): ModelConfig | undefined;