/**
 * Compatibility helper to use new arch events if available and fallback
 * to NativeEventEmitter or DeviceEventEmitter.
 *
 * Can be removed once we no longer need to support the old arch and use
 * the methods on NativeStripeSdkModule directly.
 */
import { EventSubscription } from 'react-native';
import type { EventEmitter } from 'react-native/Libraries/Types/CodegenTypes';
import { PaymentMethod } from './types';
import { UnsafeObject } from './specs/utils';
import { FinancialConnectionsEvent } from './types/FinancialConnections';
import { Result as ConfirmationTokenResult } from './types/ConfirmationToken';
type Events = {
    onConfirmHandlerCallback: EventEmitter<{
        paymentMethod: UnsafeObject<PaymentMethod.Result>;
        shouldSavePaymentMethod: boolean;
    }>;
    onConfirmationTokenHandlerCallback: EventEmitter<{
        confirmationToken: UnsafeObject<ConfirmationTokenResult>;
    }>;
    onFinancialConnectionsEvent: EventEmitter<UnsafeObject<FinancialConnectionsEvent>>;
    onOrderTrackingCallback: EventEmitter<void>;
    onCustomerAdapterFetchPaymentMethodsCallback: EventEmitter<void>;
    onCustomerAdapterAttachPaymentMethodCallback: EventEmitter<{
        paymentMethodId: string;
    }>;
    onCustomerAdapterDetachPaymentMethodCallback: EventEmitter<{
        paymentMethodId: string;
    }>;
    onCustomerAdapterSetSelectedPaymentOptionCallback: EventEmitter<{
        paymentOption: string;
    }>;
    onCustomerAdapterFetchSelectedPaymentOptionCallback: EventEmitter<void>;
    onCustomerAdapterSetupIntentClientSecretForCustomerAttachCallback: EventEmitter<void>;
    onCustomerSessionProviderSetupIntentClientSecret: EventEmitter<void>;
    onCustomerSessionProviderCustomerSessionClientSecret: EventEmitter<void>;
    embeddedPaymentElementDidUpdateHeight: EventEmitter<UnsafeObject<any>>;
    embeddedPaymentElementWillPresent: EventEmitter<void>;
    embeddedPaymentElementDidUpdatePaymentOption: EventEmitter<UnsafeObject<any>>;
    embeddedPaymentElementFormSheetConfirmComplete: EventEmitter<UnsafeObject<any>>;
    embeddedPaymentElementRowSelectionImmediateAction: EventEmitter<void>;
    embeddedPaymentElementLoadingFailed: EventEmitter<UnsafeObject<any>>;
    embeddedPaymentElementUpdateComplete: EventEmitter<UnsafeObject<any>>;
    onCustomPaymentMethodConfirmHandlerCallback: EventEmitter<UnsafeObject<any>>;
    paymentMethodMessagingElementDidUpdateHeight: EventEmitter<UnsafeObject<any>>;
    paymentMethodMessagingElementConfigureResult: EventEmitter<UnsafeObject<any>>;
    /**
     * Fired by native every time a `Checkout` instance's state transitions —
     * regardless of whether the mutation was JS-driven (e.g. `applyPromotionCode`
     * via `useCheckout`) or native-driven (e.g. `CurrencySelectorElement`).
     * `useCheckout` mirrors this into its `state` so the entire React tree
     * stays in sync with the underlying native session.
     */
    checkoutSessionDidChangeState: EventEmitter<{
        sessionKey: string;
        state: UnsafeObject<any>;
    }>;
};
export declare function addListener<EventT extends keyof Events>(event: EventT, handler: Parameters<Events[EventT]>[0]): EventSubscription;
type OnrampEventMap = {
    onCheckoutClientSecretRequested: void;
};
type OnrampEvents = keyof OnrampEventMap;
export declare function addOnrampListener<EventT extends OnrampEvents>(event: EventT, handler: (params: OnrampEventMap[EventT]) => void): EventSubscription;
export {};
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