import { AbstractControl, FormGroup, ValidatorFn } from '@angular/forms';
import { GridColumnAggregationTypes } from '../../../../enums/grid-column-aggregation-types';
import { DataGridColumnInterface, DataGridEditConfigValidatorInterface } from '../../../../models/data-grid-column.interface';
import { DataGridComponent } from './data-grid.component';
declare class DataGridComponentHelpers {
    static getValidationMessage(column: DataGridColumnInterface, control: AbstractControl, row: any): Promise<string>;
    static getValidationMessageByValidators(column: DataGridColumnInterface, control: AbstractControl, validators: DataGridEditConfigValidatorInterface[]): string;
    static createPlaceholderRow(columns: DataGridColumnInterface[], instance: DataGridComponent): Promise<any>;
    static createForm(columns: DataGridColumnInterface[], row: any, instance: DataGridComponent): Promise<FormGroup<{}>>;
    static getColumnDynamicPropertyDict(column: DataGridColumnInterface, row: any, instance: DataGridComponent): Promise<{
        [property: string]: any;
    }>;
    static getRowValidationErrorMessages(columns: DataGridColumnInterface[], row: any, instance: DataGridComponent): Promise<string[]>;
    static getValidatorFnName(input: ValidatorFn): string;
    static calculateAggregator(items: any[], column: string, type: GridColumnAggregationTypes): number;
    static setCellDefaultValue(row: any, column: DataGridColumnInterface, instance: DataGridComponent): Promise<void>;
    static findTreeNode(data: any[], keyword: any, bindItems: string, bindValue: string): any | null;
}
export default DataGridComponentHelpers;