import type { FunnelSdkRuntimeConfigOverrides } from '../../funnel-sdk/shared/types.js';
import type { FunnelSdkSubscriptionRef } from '../../funnel-sdk/subscriptions/types.js';
import type { ManageSubscriptionsResponse } from './types.js';
export declare function updateSubscription(input: {
    subscriptionId: string;
    action: 'cancel' | 'renew' | 'apply-discount';
    couponId?: string | null;
    subscriptionRef?: FunnelSdkSubscriptionRef;
    runtimeConfig?: FunnelSdkRuntimeConfigOverrides;
}): Promise<ManageSubscriptionsResponse>;