import { IterableDiffers, OnDestroy } from '@angular/core';
import { AbstractControl, FormArray, ValidatorFn } from '@angular/forms';
import * as i0 from "@angular/core";
export declare const DUPLICATE_ERROR_KEY = "duplicateError";
type RowKeys = Array<string | Record<string, string[]>>;
type FormatKeys = Record<string, string[]>;
export type FormatValue = Record<string, any>;
export type MatchValueFn = (props: string[], value1: FormatValue, value2: FormatValue) => boolean;
export type StrategyFn = (keys: FormatKeys, controls: AbstractControl[], staleValue: FormatValue, mapFn: ValueMapFn, matchesFn: MatchValueFn, initData: any[]) => Array<{
    key: string;
    control: AbstractControl;
}>;
export declare enum DUPLICATION_JUSTIFY_STRATEGY {
    IDENTICAL = "identical",
    FULL = "full"
}
export declare const STRATEGY_JUDGE_MAPPER: Record<DUPLICATION_JUSTIFY_STRATEGY, StrategyFn>;
export declare class ValidateRowDuplicateService implements OnDestroy {
    private readonly arrayDiffers;
    private rowsDiffer;
    /**
     * @param differFactory: used to create support differ, which can be provided by user
     */
    constructor(arrayDiffers: IterableDiffers);
    private readonly controlValueMap;
    private readonly errorMap;
    private formArraySizeSub;
    createFormArrayValidator({ rowKeys, formArray, valueMapFn, initData, matchesFn, strategy, }: {
        rowKeys: RowKeys;
        formArray: FormArray;
        valueMapFn?: any;
        initData?: any[];
        matchesFn?: MatchValueFn;
        strategy?: DUPLICATION_JUSTIFY_STRATEGY;
    }): ValidatorFn;
    private handleRemoveRowValue;
    private initFormArraySizeChange;
    private addDuplicateError;
    private removeDuplicateError;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ValidateRowDuplicateService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ValidateRowDuplicateService>;
}
type ValueMapFn = (data: any, prop?: string) => any;
export {};