/**
 * Svelte implementation of Autumn billing client.
 *
 * Uses manual state management with Convex Actions for data fetching.
 * The createCustomer action calls external APIs and is not reactive like queries.
 */
import type { AutumnConvexApi, Customer, Entity, Product, CheckParams, CheckResult, CheckoutParams, CheckoutResult, TrackParams, TrackResult, AttachParams, AttachResult, CancelParams, BillingPortalParams, BillingPortalResult, CreateEntityParams, GetEntityParams, SetupPaymentParams, SetupPaymentResult, CreateReferralCodeParams, CreateReferralCodeResult, RedeemReferralCodeParams, RedeemReferralCodeResult, SetUsageParams, SetUsageResult, QueryParams, QueryResult, EventListParams, EventListResult, EventAggregateParams, LocalCheckResult, RefetchOptions } from "./types.js";
/**
 * Creates an Autumn billing client with Svelte reactivity.
 *
 * Provides reactive access to customer data and methods for interacting with
 * Autumn billing features including subscriptions, usage tracking, and checkout.
 *
 * @param options - Configuration object
 * @param options.convexApi - The Autumn Convex API to use for actions
 * @returns Autumn client API with reactive customer data and action methods
 * @example
 * ```ts
 * const autumn = createAutumnClient({ convexApi });
 * console.log(autumn.customer?.email);
 * await autumn.checkout({ productId: 'prod_123' });
 * ```
 */
export declare function createAutumnClient({ convexApi, }: {
    convexApi: AutumnConvexApi;
}): {
    readonly customer: Customer | null | undefined;
    readonly isLoading: boolean;
    readonly error: Error | null | undefined;
    allowed: (params: CheckParams) => LocalCheckResult;
    check: (params: CheckParams, options?: RefetchOptions) => Promise<CheckResult>;
    checkout: (params: CheckoutParams, options?: RefetchOptions) => Promise<CheckoutResult>;
    track: (params: TrackParams, options?: RefetchOptions) => Promise<TrackResult>;
    attach: (params: AttachParams, options?: RefetchOptions) => Promise<AttachResult>;
    cancel: (params: CancelParams, options?: RefetchOptions) => Promise<void>;
    openBillingPortal: (params?: BillingPortalParams) => Promise<BillingPortalResult>;
    createEntity: (params: CreateEntityParams, options?: RefetchOptions) => Promise<Entity>;
    getEntity: (params: GetEntityParams) => Promise<Entity>;
    setupPayment: (params?: SetupPaymentParams, options?: RefetchOptions) => Promise<SetupPaymentResult>;
    createReferralCode: (params: CreateReferralCodeParams, options?: RefetchOptions) => Promise<CreateReferralCodeResult>;
    redeemReferralCode: (params: RedeemReferralCodeParams, options?: RefetchOptions) => Promise<RedeemReferralCodeResult>;
    listProducts: () => Promise<Product[]>;
    usage: (params: SetUsageParams) => Promise<SetUsageResult>;
    query: (params: QueryParams) => Promise<QueryResult>;
    listEvents: (params: EventListParams) => Promise<EventListResult>;
    aggregateEvents: (params: EventAggregateParams) => Promise<QueryResult>;
    refetch: () => Promise<void>;
};
/**
 * Sets the Autumn client in Svelte context.
 *
 * @param autumnClient - The Autumn client instance to set in context
 * @returns The client instance
 */
export declare function setAutumnContext(autumnClient: ReturnType<typeof createAutumnClient>): {
    readonly customer: Customer | null | undefined;
    readonly isLoading: boolean;
    readonly error: Error | null | undefined;
    allowed: (params: CheckParams) => LocalCheckResult;
    check: (params: CheckParams, options?: RefetchOptions) => Promise<CheckResult>;
    checkout: (params: CheckoutParams, options?: RefetchOptions) => Promise<CheckoutResult>;
    track: (params: TrackParams, options?: RefetchOptions) => Promise<TrackResult>;
    attach: (params: AttachParams, options?: RefetchOptions) => Promise<AttachResult>;
    cancel: (params: CancelParams, options?: RefetchOptions) => Promise<void>;
    openBillingPortal: (params?: BillingPortalParams) => Promise<BillingPortalResult>;
    createEntity: (params: CreateEntityParams, options?: RefetchOptions) => Promise<Entity>;
    getEntity: (params: GetEntityParams) => Promise<Entity>;
    setupPayment: (params?: SetupPaymentParams, options?: RefetchOptions) => Promise<SetupPaymentResult>;
    createReferralCode: (params: CreateReferralCodeParams, options?: RefetchOptions) => Promise<CreateReferralCodeResult>;
    redeemReferralCode: (params: RedeemReferralCodeParams, options?: RefetchOptions) => Promise<RedeemReferralCodeResult>;
    listProducts: () => Promise<Product[]>;
    usage: (params: SetUsageParams) => Promise<SetUsageResult>;
    query: (params: QueryParams) => Promise<QueryResult>;
    listEvents: (params: EventListParams) => Promise<EventListResult>;
    aggregateEvents: (params: EventAggregateParams) => Promise<QueryResult>;
    refetch: () => Promise<void>;
};
/**
 * Retrieves the Autumn client from Svelte context.
 *
 * @returns The Autumn client instance
 */
export declare function getAutumnContext(): {
    readonly customer: Customer | null | undefined;
    readonly isLoading: boolean;
    readonly error: Error | null | undefined;
    allowed: (params: CheckParams) => LocalCheckResult;
    check: (params: CheckParams, options?: RefetchOptions) => Promise<CheckResult>;
    checkout: (params: CheckoutParams, options?: RefetchOptions) => Promise<CheckoutResult>;
    track: (params: TrackParams, options?: RefetchOptions) => Promise<TrackResult>;
    attach: (params: AttachParams, options?: RefetchOptions) => Promise<AttachResult>;
    cancel: (params: CancelParams, options?: RefetchOptions) => Promise<void>;
    openBillingPortal: (params?: BillingPortalParams) => Promise<BillingPortalResult>;
    createEntity: (params: CreateEntityParams, options?: RefetchOptions) => Promise<Entity>;
    getEntity: (params: GetEntityParams) => Promise<Entity>;
    setupPayment: (params?: SetupPaymentParams, options?: RefetchOptions) => Promise<SetupPaymentResult>;
    createReferralCode: (params: CreateReferralCodeParams, options?: RefetchOptions) => Promise<CreateReferralCodeResult>;
    redeemReferralCode: (params: RedeemReferralCodeParams, options?: RefetchOptions) => Promise<RedeemReferralCodeResult>;
    listProducts: () => Promise<Product[]>;
    usage: (params: SetUsageParams) => Promise<SetUsageResult>;
    query: (params: QueryParams) => Promise<QueryResult>;
    listEvents: (params: EventListParams) => Promise<EventListResult>;
    aggregateEvents: (params: EventAggregateParams) => Promise<QueryResult>;
    refetch: () => Promise<void>;
};
/**
 * Checks if Autumn client exists in context.
 *
 * @returns True if Autumn client is available in context
 */
export declare function hasAutumnContext(): boolean;
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