/**
 * Helper to change non null keys to 8base 'connect' reference.
 * WARNING: This function mutates the data.
 * WARNING: This functions assumes that all 8base keys are strings.
 *
 * @param {object} data - The Object to be Mutated.
 * @param {string} key - The key in the Object.
 */
export declare const normalize8baseReferenceConnect: (data: Record<string, any>, key: string) => void;