import { ComputedRef, SlotsType } from 'vue';
import { Emitter } from '../../utils/mitt';
import { BaseFormProps, FormInstance } from './BaseForm.type';
import { FieldInstanceProvideType } from './FieldProvide';

export type FormInstanceProvideType = Omit<BaseFormProps, 'form' | 'meta'> & {
    form: FormInstance;
    eventbus: Emitter<any>;
    formMeta: ComputedRef<any>;
    parentForm?: FormInstanceProvideType | null;
    modelFormField?: FieldInstanceProvideType;
    formFieldController: FormFieldController;
};
export declare const FormInstanceProvide: import('vue').DefineComponent<globalThis.ExtractPropTypes<{
    value: {
        type: PropType<FormInstanceProvideType>;
        required: true;
    };
}>, import('vue').Slot<object>, {}, {}, {}, import('vue').ComponentOptionsMixin, import('vue').ComponentOptionsMixin, {}, string, import('vue').PublicProps, Readonly<globalThis.ExtractPropTypes<{
    value: {
        type: PropType<FormInstanceProvideType>;
        required: true;
    };
}>> & Readonly<{}>, {}, SlotsType<{
    default: object;
}>, {}, {}, string, import('vue').ComponentProvideOptions, true, {}, any>;
/**
 * 获取Form实例
 * @param throwOnError
 */
export declare const useFormInstance: (throwOnError?: boolean) => FormInstanceProvideType | null;
/**
 * 获取Form的自定义事件
 */
export declare function useFormEventbus(): Emitter<any> | undefined;
/**
 * 获取当前Field所有的后代节点
 * @param fields
 * @param currentField
 */
export declare function getDescendants<T extends FieldInstanceProvideType>(fields: T[], currentField: T): T[];
/**
 * 获取当前Field所有的父级节点
 * @param fields
 * @param currentField
 */
export declare function getParentFields<T extends FieldInstanceProvideType>(field: T): T[];
export declare class FormFieldController {
    private fields;
    register(path: string, data: FieldInstanceProvideType): void;
    unregister(path: string): void;
    getFieldData(path: string): FieldInstanceProvideType | undefined;
    getFields(): FieldInstanceProvideType[];
}