import { AbstractControl, FormArray } from '@angular/forms';
export declare class SCCustomValidators {
    static idOfObjectIsValid(control: AbstractControl): {
        [key: string]: boolean;
    } | null;
    static checkFormControlsBooleanIsValid: (formControlName: string, minSelected: number, maxSelected?: number) => (c: FormArray) => {
        [key: string]: any;
    };
    static lengthArrayIsValid: (min: number, max?: number) => (c: FormArray) => {
        [key: string]: any;
    };
}