import React, { Dispatch, ReactElement, ReactNode, Ref, RefObject, SetStateAction, ElementType } from 'react';
import { Obj, OverridableProps, Size } from '../../types';
import { FieldPath } from '../../utils';
import { FieldError, FormItem, FormItemProps, FormItemRef } from './formItem';
import { FormRelatable } from './formRelatable';
import { DescriptionsProps, DescriptionsSharedProps } from '../descriptions';
import { GridOwnProps } from '../grid';
export type FormValue = Obj;
export type FormSharedProps = {
    /** 必填字段的标记，默认为`*` */
    requiredMark?: ReactNode;
    /** variant为"grid"或"table"时会渲染Descriptions组件，并传递variant属性，默认为`grid` */
    variant?: 'plain' | 'grid' | 'table';
    size?: Size;
};
interface FormOwnProps<V extends FormValue = FormValue> extends FormSharedProps, DescriptionsSharedProps, GridOwnProps {
    ref?: Ref<FormRef<V>>;
    /** 最外层元素的ref，默认{@link ref}属性已经被{@link FormRef}取代 */
    wrapperRef?: Ref<HTMLFormElement>;
    initialValue?: V;
    onChange?(field: FieldPath, value: any, formValue: V): void;
    onFinish?(value: V): any;
    items?: (FormItemProps & Obj)[];
    descriptionsProps?: DescriptionsProps;
}
export type FormProps<V extends FormValue = FormValue, C extends ElementType = 'form'> = OverridableProps<FormOwnProps<V>, C>;
type FormContext<V extends FormValue> = {
    inForm?: boolean;
    itemsContainer?: Map<string, FormItemRef>;
    formRef?: RefObject<FormRef<V> | null>;
};
declare const FormContext: React.Context<FormContext<any>>;
export declare function useFormContext<V extends FormValue>(): FormContext<V>;
type FormValueContext<V extends FormValue> = {
    formValue?: V;
    setFieldValue?(field: FieldPath, value: any, silent?: boolean): void;
};
declare const FormValueContext: React.Context<FormValueContext<any>>;
export declare function useFormValueContext<V extends FormValue>(): FormValueContext<V>;
export declare function useFormStyleContext(): FormSharedProps;
export type FormRef<V extends FormValue = FormValue> = {
    submit(): Promise<V>;
    getFieldValue<T = any>(field: FieldPath): T;
    getFormValue(): V;
    getFieldError(field: FieldPath): FieldError | undefined;
    getFormErrors(): {
        [p: string]: FieldError;
    };
    setFormValue: Dispatch<SetStateAction<V>>;
    mergeFormValue(value: Partial<V>): void;
    setFieldValue(field: FieldPath, value: any): void;
    resetForm(): void;
    resetField(field: FieldPath): void;
    isFormTouched(): boolean;
    isFieldTouched(field: FieldPath): boolean;
    /** @private 用于dataGrid内的filterBubbleContent组件的"重置"功能 */
    _resetFieldAndCallChange(field: FieldPath): void;
};
export declare const Form: {
    <V extends FormValue, C extends ElementType = "form">(props: FormProps<V, C>): ReactElement;
    Item: typeof FormItem;
    Relatable: typeof FormRelatable;
};
export {};