import { ValidatorFn, FormControl, AbstractControl } from '@angular/forms';
import moment from 'moment';
import { IValidateDateTime } from '../models/interfaces';
import { CoreSessionService } from '../providers/services/session.service';
import { NgbDateStruct } from '@ng-bootstrap/ng-bootstrap';
export declare class CustomValidator {
    private coreSessionService;
    constructor(coreSessionService: CoreSessionService);
    /**
     * FormGroup level validator
     */
    maxCurrentDate(eventSourceFieldName: string): ValidatorFn;
    /**
     * FormGroup level validator
     */
    minCurrentDate(eventSourceFieldName: string): ValidatorFn;
    /**
     * FormGroup level validator
     */
    dateTimeValidator(field: object, supportingParams: IValidateDateTime): ValidatorFn;
    /**
     * Returns latest among all passed dates for min date validations
     */
    latestAmong(formGroup: any, fieldSchema: object): ValidatorFn;
    /**
     * Returns latest among all passed dates for max date validations
     */
    latestAmongMax(formGroup: any, fieldSchema: object): ValidatorFn;
    /**
     * Returns latest among all passed dates for max date validations
     */
    maxDateFromSession(formGroup: any, fieldSchema: object): ValidatorFn;
    /**
     * remove error from form control
     */
    removeError(control: FormControl | AbstractControl, errorName: string): boolean;
    /**
     * get value of date field
     */
    private getValue;
    /**
     * This method will calculate date and returns the final date for comparison
     */
    constructDate(param: any, form: any): moment.MomentObjectOutput;
    /**
     * This method subtract 1 month from the moment date as moment index starts from '0' and ends with '11' for input scenario
     */
    convertDateToInputMoment(value: any): {
        year: number;
        month: number;
        day: number;
    };
    /**
     * Formats the given NgbDateStruct to a string
     * @param date - date
     */
    format(date: NgbDateStruct): string;
    /**
     * check if value is number or not
     */
    isNumber(value: any): value is number;
    /**
     * converts value to integer
     */
    toInteger(value: any): number;
    /**
     * change the value to required structure
     */
    padNumber(value: number): string;
    /**
     * extract value from form
     * @param param - param
     * @param form - form
     */
    private extractValueFromForm;
    /**
     * get current date
     */
    private getCurrentDate;
    /**
     * get latest date among all
     */
    private getLatestDate;
    /**
     * FormGroup level validator
     */
    maxDate(eventSourceFieldName: string, fieldValidation: any): ValidatorFn;
    /**
     * FormGroup level validator
     */
    minDate(eventSourceFieldName: string, fieldValidation: any): ValidatorFn;
    /**
     * FormGroup level validator
     * This function will be called for control(source) whose date
     * value has to be compared with other control(target)
     */
    lessThanTargetDate(formGroup: any, fieldValidation: any): ValidatorFn;
    /**
     * This function will be called for control(source) whose
     * date value has to be compared with other control(target)
     */
    greaterThanTargetDate(formGroup: any, targetFieldName: string): ValidatorFn;
}