/**
 * Compare two spreadsheets' cell data and images, checking if anything changed
 * @param {Array} oldSheets - Original sheets data
 * @param {Array} newSheets - New sheets data
 * @returns {boolean} - true if any cell data or images changed, false if identical
 */
type DiffChange<T> = {
    from: T;
    to: T;
};
type UpdatedItem<T> = {
    key: string;
    before: T;
    after: T;
    changes: Partial<Record<keyof T, DiffChange<any>>>;
};
type DiffResult<T> = {
    added: T[];
    removed: T[];
    updated: UpdatedItem<T>[];
};
export declare function diffObjectArrays<T extends Record<string, any>>(oldArr: readonly T[], newArr: readonly T[], getKey?: (item: T) => string): DiffResult<T>;
type UpdatedEntry<T> = {
    key: string;
    before: T;
    after: T;
    changes: Partial<Record<keyof T, DiffChange<any>>>;
};
type ObjectDiffResult<T> = {
    added: Record<string, T>;
    removed: Record<string, T>;
    updated: UpdatedEntry<T>[];
};
export declare function diffObjectMap<T extends Record<string, any>>(oldObj: Record<string, T>, newObj: Record<string, T>): ObjectDiffResult<T>;
export {};