import * as i from '../interfaces';
import * as e from '../enums';
export declare function enumStringToValue<E>(enumRef: any, value: string): E;
export declare class LineItemAppKey implements i.LineItemAppKeyInterface {
    appId: string;
    editionId: string;
    packageId: string;
    packageInstanceId: string;
    static fromProto(proto: any): LineItemAppKey;
    constructor(kwargs?: i.LineItemAppKeyInterface);
    toApiJson(): object;
}
export declare class BillingPeriod implements i.BillingPeriodInterface {
    startDate: Date;
    endDate: Date;
    duration: Duration;
    static fromProto(proto: any): BillingPeriod;
    constructor(kwargs?: i.BillingPeriodInterface);
    toApiJson(): object;
}
export declare class Cost implements i.CostInterface {
    customPrice: number;
    static fromProto(proto: any): Cost;
    constructor(kwargs?: i.CostInterface);
    toApiJson(): object;
}
export declare class CustomPriceMapping implements i.CustomPriceMappingInterface {
    productId: string;
    customPrice: number;
    static fromProto(proto: any): CustomPriceMapping;
    constructor(kwargs?: i.CustomPriceMappingInterface);
    toApiJson(): object;
}
export declare class Duration implements i.DurationInterface {
    value: number;
    duration: e.DurationPeriod;
    static fromProto(proto: any): Duration;
    constructor(kwargs?: i.DurationInterface);
    toApiJson(): object;
}
export declare class LineItem implements i.LineItemInterface {
    appKey: LineItemAppKey;
    packageId: string;
    currency: e.Currency;
    initialRevenue: Revenue;
    currentRevenue: Revenue;
    quantity: number;
    isTrial: boolean;
    currencyCode: string;
    cost: Cost;
    customPrices: CustomPriceMapping[];
    billingPeriod: BillingPeriod;
    autoBillable: boolean;
    nonBillable: boolean;
    taxRateIds: string[];
    retailSubscriptionGroupId: string;
    billToRecipientId: string;
    static fromProto(proto: any): LineItem;
    constructor(kwargs?: i.LineItemInterface);
    toApiJson(): object;
}
export declare class Revenue implements i.RevenueInterface {
    revenueComponents: RevenueComponent[];
    static fromProto(proto: any): Revenue;
    constructor(kwargs?: i.RevenueInterface);
    toApiJson(): object;
}
export declare class RevenueComponent implements i.RevenueComponentInterface {
    value: number;
    period: e.RevenuePeriod;
    isStartingRevenue: boolean;
    static fromProto(proto: any): RevenueComponent;
    constructor(kwargs?: i.RevenueComponentInterface);
    toApiJson(): object;
}