import { JsonConditionSettingsDto } from '@servicelabsco/nestjs-utility-services';
export declare class JsonEvaluator {
    static readonly OPERATORS: readonly string[];
    validate(settings: JsonConditionSettingsDto, reference: any): boolean;
    private getObjectProperty;
    private toString;
    private getDateValue;
    private isLiteralDateColumn;
    private getLiteralDateValue;
    private isDateLike;
    private toComparable;
    private looseEquals;
}