import IntegrationLogger from '../integration/types/IntegrationLogger';
interface ShaHashMap {
    [key: string]: string;
}
interface ExistingItem {
    _rawDataHashes?: string;
}
interface NewItem {
    _rawData: RawData[];
}
interface RawData {
    name: string;
    rawData: object;
}
/**
 * @description calculates the base64 sha256 hash of the
 * stringified object
 * @param object object to hash stringified version of
 */
export declare function shaHash(object: object): string;
/**
 * @description builds a serializable hash map for raw data
 * @param rawData raw data to build hashes for
 */
export declare function generateShaHashes(rawData?: RawData[]): ShaHashMap;
/**
 * @description adds _rawDataHashes to the newItem
 * and filters the newItem's _rawData based on comparing
 * the existingItem's _rawDataHashes and the newItem's
 * _rawDataHashes
 * @param existingItem the item from the graph
 * @param newItem the item from the integration
 */
export default function diffRawData(existingItem: ExistingItem, newItem: NewItem, logger: IntegrationLogger): {
    _rawData: RawData[];
    _rawDataHashes: string;
};
export {};