import { InternalFieldState } from 'final-form';
declare function copyField(oldFields: {
    [key: string]: InternalFieldState<any>;
}, oldKey: string, newFields: {
    [key: string]: Partial<InternalFieldState<any>>;
}, newKey: string): void;
export default copyField;
//# sourceMappingURL=copyField.d.ts.map