import { AbstractEntity } from '../../../../abstractEntity';
export declare enum PeriodFields {
    COLUMN_FROM = "from",
    COLUMN_TO = "to"
}
export declare type PeriodType = {
    [PeriodFields.COLUMN_FROM]: string;
    [PeriodFields.COLUMN_TO]: string;
};
export declare class Period extends AbstractEntity<PeriodType> {
    #private;
    constructor(periodResponse: PeriodType);
    get from(): string;
    get to(): string;
    toJSON(): PeriodType;
}