/** Return a canonical identity that is safe in an instance-path selector. */
export declare function repeatingItemId(item: unknown): string | undefined;
/**
 * Address an array/block item by stable identity when its id is path-safe.
 * Positional fallback is retained for noncanonical create defaults and legacy
 * adapter data that does not carry storage identity yet.
 */
export declare function repeatingItemPath(parentPath: string, item: unknown, index: number): string;
export interface RepeatingItemMove<T> {
    items: T[];
    itemId: string;
    fromIndex: number;
    toIndex: number;
}
/** Build one synchronized form-store move and its matching patch identity. */
export declare function moveRepeatingItems<T>(items: readonly T[], moveFromIndex: number, moveToIndex: number): RepeatingItemMove<T> | null;