export declare enum PaypalEnvironment {
    sandbox = "sandbox",
    live = "live"
}
export declare enum PayPalWebCheckoutFundingSource {
    paypalCredit = "paypalCredit",
    paylater = "paylater",
    paypal = "paypal"
}
export type PayPalWebCheckoutSuccessEvent = {
    type: 'success';
    orderID: string;
    payerID: string;
};
export type PayPalWebCheckoutErrorEvent = {
    type: 'error';
    code: number | null | undefined;
    domain: string | null | undefined;
    errorDescription: string | null | undefined;
};
export type PayPalWebCheckoutCancelEvent = {
    type: 'cancel';
};
export type PayPalWebCheckoutEvent = PayPalWebCheckoutSuccessEvent | PayPalWebCheckoutErrorEvent | PayPalWebCheckoutCancelEvent;
export type PayPalWebCheckoutConfig = {
    clientID: string;
    environment: PaypalEnvironment;
    orderID: string;
    urlScheme: string;
    fundingSource?: PayPalWebCheckoutFundingSource;
    onEvent?: (result: PayPalWebCheckoutEvent) => void;
};
export declare const startCheckout: (config: PayPalWebCheckoutConfig) => void;
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