export declare enum ErrorCode {
    INPUT_VALIDATION = "INPUT_VALIDATION",
    PENDING = "PENDING",
    FAILED = "FAILED",
    UNVERIFIED = "UNVERIFIED",
    CANCELLED = "CANCELLED",
    EMPTY = "EMPTY",
    NOT_FOUND = "NOT_FOUND",
    UNKNOWN = "UNKNOWN"
}
export type ProductType = 'subscription' | 'consumable';
export interface ProductsInput {
    ids: string[];
    type: ProductType;
}
interface Price {
    value: number;
    currency: string | null;
    localized: string | null;
}
interface Period {
    value: string;
    unit: string;
    localized: string;
}
interface Subscription {
    period: Period | null;
}
export interface Product {
    id: string;
    name: string;
    price: Price;
    subscription: Subscription | null;
}
export interface PurchaseInput {
    id: string;
    userId: string;
    type: ProductType;
}
export interface Transaction {
    id: string;
    originalId: string;
    productId: string;
    environment: 'production' | 'sandbox' | 'xcode' | 'android';
    expirationDate: number;
    purchaseDate: number;
    originalPurchaseDate: number;
    token?: string;
    quantity: number;
    price: Price;
}
export interface FinishTransactionInput {
    id: string;
    type: ProductType;
}
export interface PurchaseKitError extends Error {
    code: ErrorCode;
}
interface NativePurchaseKit {
    products(input: ProductsInput): Promise<Product[]>;
    entitlements(): Promise<Transaction[]>;
    purchase(input: PurchaseInput): Promise<Transaction>;
    finishTransaction(input: FinishTransactionInput): Promise<void>;
    syncPurchases(): Promise<boolean>;
}
declare module 'react-native' {
    interface NativeModulesStatic {
        PurchaseKit: NativePurchaseKit;
    }
}
export declare const purchaseKit: {
    products: (input: ProductsInput) => Promise<Product[]>;
    entitlements: () => Promise<Transaction[]>;
    purchase: (input: PurchaseInput) => Promise<Transaction>;
    finishTransaction: (input: FinishTransactionInput) => Promise<void>;
    syncPurchases: () => Promise<boolean>;
};
export {};
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