import { FormInstance } from 'antd';
export interface DiffOriginalParams {
    originalValue: any;
    value: any;
    form: FormInstance;
    type?: string;
    onDiff?: (originalValue: any, currentValue: any) => DiffType | boolean | undefined;
}
export type DiffType = 'same' | 'add' | 'changed';
export declare const diffOriginal: (params: DiffOriginalParams) => DiffType;