type PartialRecordWithNull<T extends Record<string, any>> = {
    [K in keyof T]?: T[K] | null;
};
/**
 * Assign properties from input to src.
 * 'null' values will be transformed to an empty string.
 *
 * @param src
 * @param input
 */
export declare function assignFormProperties<T extends Record<string, any>>(src: T, input?: PartialRecordWithNull<T>): T;
export {};
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