import type { AttributeSet } from "../../types/build-type.js";
import type { LeafDraft, LeafObservation } from "./types.js";
/**
 * Build or update an AttributeSet for `ucId` by merging approved drafts onto
 * the reconstructed tree implied by observations.
 *
 * Start from the existing attribute_set (if any) so we don't drop descriptions
 * users wrote previously; then overlay drafts at each path.
 */
export declare function mergeDraftsIntoAttributeSet(existing: AttributeSet | undefined, ucId: string, observations: LeafObservation[], drafts: Map<string, LeafDraft>): AttributeSet;
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