import { FieldArrayPath, FieldValues, UseFieldArrayProps, UseFieldArrayReturn } from './types';
/**
 * A custom hook that exposes convenient methods to perform operations with a list of dynamic inputs that need to be appended, updated, removed etc. • [Demo](https://codesandbox.io/s/react-hook-form-usefieldarray-ssugn) • [Video](https://youtu.be/4MrbfGSFY2A)
 *
 * @remarks
 * [API](https://react-hook-form.com/docs/usefieldarray) • [Demo](https://codesandbox.io/s/react-hook-form-usefieldarray-ssugn)
 *
 * @param props - useFieldArray props
 *
 * @returns methods - functions to manipulate with the Field Arrays (dynamic inputs) {@link UseFieldArrayReturn}
 *
 * @example
 * ```tsx
 * function App() {
 *   const { register, control, handleSubmit, reset, trigger, setError } = useForm({
 *     defaultValues: {
 *       test: []
 *     }
 *   });
 *   const { fields, append } = useFieldArray({
 *     control,
 *     name: "test"
 *   });
 *
 *   return (
 *     <form onSubmit={handleSubmit(data => console.log(data))}>
 *       {fields.map((item, index) => (
 *          <input key={item.id} {...register(`test.${index}.firstName`)}  />
 *       ))}
 *       <button type="button" onClick={() => append({ firstName: "bill" })}>
 *         append
 *       </button>
 *       <input type="submit" />
 *     </form>
 *   );
 * }
 * ```
 */
export declare function useFieldArray<TFieldValues extends FieldValues = FieldValues, TFieldArrayName extends FieldArrayPath<TFieldValues> = FieldArrayPath<TFieldValues>, TKeyName extends string = 'id', TTransformedValues = TFieldValues>(props: UseFieldArrayProps<TFieldValues, TFieldArrayName, TKeyName, TTransformedValues>): UseFieldArrayReturn<TFieldValues, TFieldArrayName, TKeyName>;
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