import { ValidatorFn } from '@angular/forms';
export declare class C8yValidators {
    static integerValidator(): ValidatorFn;
    static minMaxValidator(): ValidatorFn;
    static requireBothMinAndMax(): ValidatorFn;
    static withinScale(field: string): ValidatorFn;
    static maxActiveCount(maxActive: number, activeAttribute?: string): ValidatorFn;
    static minActiveCount(minActive: number, activeAttribute?: string): ValidatorFn;
    static filesValidator(options: {
        maximumFileSizeInKb?: number;
        typePrefix?: string;
        allowedFileEndings?: string[];
    }): ValidatorFn;
    private static removeErrors;
}
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