import React from 'react';
import type { FieldValues, FormProviderProps, UseFormReturn } from './types';
/**
 * This custom hook allows you to access the form context. useFormContext is intended to be used in deeply nested structures, where it would become inconvenient to pass the context as a prop. To be used with {@link FormProvider}.
 *
 * @remarks
 * [API](https://react-hook-form.com/docs/useformcontext) • [Demo](https://codesandbox.io/s/react-hook-form-v7-form-context-ytudi)
 *
 * @returns return all useForm methods
 *
 * @example
 * ```tsx
 * function App() {
 *   const methods = useForm();
 *   const onSubmit = data => console.log(data);
 *
 *   return (
 *     <FormProvider {...methods} >
 *       <form onSubmit={methods.handleSubmit(onSubmit)}>
 *         <NestedInput />
 *         <input type="submit" />
 *       </form>
 *     </FormProvider>
 *   );
 * }
 *
 *  function NestedInput() {
 *   const { register } = useFormContext(); // retrieve all hook methods
 *   return <input {...register("test")} />;
 * }
 * ```
 */
export declare const useFormContext: <TFieldValues extends FieldValues, TContext = any, TTransformedValues = TFieldValues>() => UseFormReturn<TFieldValues, TContext, TTransformedValues>;
/**
 * A provider component that propagates the `useForm` methods to all children components via [React Context](https://reactjs.org/docs/context.html) API. To be used with {@link useFormContext}.
 *
 * @remarks
 * [API](https://react-hook-form.com/docs/useformcontext) • [Demo](https://codesandbox.io/s/react-hook-form-v7-form-context-ytudi)
 *
 * @param props - all useForm methods
 *
 * @example
 * ```tsx
 * function App() {
 *   const methods = useForm();
 *   const onSubmit = data => console.log(data);
 *
 *   return (
 *     <FormProvider {...methods} >
 *       <form onSubmit={methods.handleSubmit(onSubmit)}>
 *         <NestedInput />
 *         <input type="submit" />
 *       </form>
 *     </FormProvider>
 *   );
 * }
 *
 *  function NestedInput() {
 *   const { register } = useFormContext(); // retrieve all hook methods
 *   return <input {...register("test")} />;
 * }
 * ```
 */
export declare const FormProvider: <TFieldValues extends FieldValues, TContext = any, TTransformedValues = TFieldValues>(props: FormProviderProps<TFieldValues, TContext, TTransformedValues>) => React.JSX.Element;
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