/**
 *
 *  Represents a time-bounded referral period between a patient and a healthcare party.
 *  /
 */
export declare class ReferralPeriod {
    /**
     *
     *  The date when the referral period started.
     */
    startDate: number | undefined;
    /**
     *
     *  The date when the referral period ended.
     */
    endDate: number | undefined;
    /**
     *
     *  Comments made during the referral.
     */
    comment: string | undefined;
    constructor(partial: Partial<ReferralPeriod>);
    toJSON(): object;
    static fromJSON(json: any, ignoreUnknownKeys?: boolean, path?: Array<string>): ReferralPeriod;
}