import { type Client } from '../core.js';
import { type Result, type RequestOptions } from '../lib/types.js';
import type { CreateSubscriptionRequest, CreateSubscriptionResponse, ListSubscriptionsRequest, ListSubscriptionsResponse, GetSubscriptionRequest, GetSubscriptionResponse, CancelSubscriptionRequest, CancelSubscriptionResponse, UnscheduleCancelationRequest, UnscheduleCancelationResponse, UnscheduleSubscriptionRequest, UnscheduleSubscriptionResponse, RestoreSubscriptionRequest, RestoreSubscriptionResponse, ChangeSubscriptionRequest, ChangeSubscriptionResponse, MigrateSubscriptionRequest, MigrateSubscriptionResponse, EditSubscriptionRequest, EditSubscriptionResponse, CreateSubscriptionAddonRequest, CreateSubscriptionAddonResponse, ListSubscriptionAddonsRequest, ListSubscriptionAddonsResponse, GetSubscriptionAddonRequest, GetSubscriptionAddonResponse, UpdateSubscriptionAddonRequest, UpdateSubscriptionAddonResponse } from '../models/operations/subscriptions.js';
/**
 * Create subscription
 *
 * POST /openmeter/subscriptions
 */
export declare function createSubscription(client: Client, req: CreateSubscriptionRequest, options?: RequestOptions): Promise<Result<CreateSubscriptionResponse>>;
/**
 * List subscriptions
 *
 * GET /openmeter/subscriptions
 */
export declare function listSubscriptions(client: Client, req?: ListSubscriptionsRequest, options?: RequestOptions): Promise<Result<ListSubscriptionsResponse>>;
/**
 * Get subscription
 *
 * GET /openmeter/subscriptions/{subscriptionId}
 */
export declare function getSubscription(client: Client, req: GetSubscriptionRequest, options?: RequestOptions): Promise<Result<GetSubscriptionResponse>>;
/**
 * Cancel subscription
 *
 * Cancels the subscription. Will result in a scheduling conflict if there are
 * other subscriptions scheduled to start after the cancelation time.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/cancel
 */
export declare function cancelSubscription(client: Client, req: CancelSubscriptionRequest, options?: RequestOptions): Promise<Result<CancelSubscriptionResponse>>;
/**
 * Unschedule subscription cancelation
 *
 * Unschedules the subscription cancelation.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/unschedule-cancelation
 */
export declare function unscheduleCancelation(client: Client, req: UnscheduleCancelationRequest, options?: RequestOptions): Promise<Result<UnscheduleCancelationResponse>>;
/**
 * Unschedule subscription
 *
 * Deletes a scheduled subscription that has not yet become active, removing it and
 * resolving any scheduling conflict it was holding. This is distinct from
 * canceling: cancel ends a running subscription, whereas unscheduling removes a
 * not-yet-active one. Only scheduled subscriptions can be unscheduled;
 * unscheduling an active or already-started subscription is rejected.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/unschedule
 */
export declare function unscheduleSubscription(client: Client, req: UnscheduleSubscriptionRequest, options?: RequestOptions): Promise<Result<UnscheduleSubscriptionResponse>>;
/**
 * Restore subscription
 *
 * Restores the subscription by deleting any later-scheduled successor
 * subscriptions and continuing this one indefinitely. This is the inverse of a
 * future-dated change, which schedules a successor. Restore is not available when
 * multi-subscription is enabled.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/restore
 */
export declare function restoreSubscription(client: Client, req: RestoreSubscriptionRequest, options?: RequestOptions): Promise<Result<RestoreSubscriptionResponse>>;
/**
 * Change subscription
 *
 * Closes a running subscription and starts a new one according to the
 * specification. Can be used for upgrades, downgrades, and plan changes.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/change
 */
export declare function changeSubscription(client: Client, req: ChangeSubscriptionRequest, options?: RequestOptions): Promise<Result<ChangeSubscriptionResponse>>;
/**
 * Migrate subscription
 *
 * Migrates to a later version of the current plan. With starting_phase omitted and
 * billing_anchor omitted or unchanged, migration amends the subscription in place:
 * unchanged items retain their service periods and both response entries have the
 * same ID. Existing addons must remain compatible with the target plan.
 * Incompatible phase timelines or billing settings return an error. Providing
 * starting_phase or a different billing_anchor explicitly requests replacement,
 * which resets the phase timeline, may produce billing adjustments, and does not
 * transfer addons. Custom subscriptions cannot be migrated.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/migrate
 */
export declare function migrateSubscription(client: Client, req: MigrateSubscriptionRequest, options?: RequestOptions): Promise<Result<MigrateSubscriptionResponse>>;
/**
 * Edit subscription
 *
 * Edits a running subscription by applying an ordered batch of customizations
 * (adding or removing items, adding, removing, or stretching phases, or
 * unscheduling a pending edit). The changes may take effect immediately or at the
 * next billing cycle. Subscriptions that have add-ons cannot be edited.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/edit
 */
export declare function editSubscription(client: Client, req: EditSubscriptionRequest, options?: RequestOptions): Promise<Result<EditSubscriptionResponse>>;
/**
 * Create a new subscription add-on
 *
 * Add add-on to a subscription.
 *
 * POST /openmeter/subscriptions/{subscriptionId}/addons
 */
export declare function createSubscriptionAddon(client: Client, req: CreateSubscriptionAddonRequest, options?: RequestOptions): Promise<Result<CreateSubscriptionAddonResponse>>;
/**
 * List subscription addons
 *
 * List the add-ons of a subscription.
 *
 * GET /openmeter/subscriptions/{subscriptionId}/addons
 */
export declare function listSubscriptionAddons(client: Client, req: ListSubscriptionAddonsRequest, options?: RequestOptions): Promise<Result<ListSubscriptionAddonsResponse>>;
/**
 * Get add-on association for subscription
 *
 * Get an add-on association for a subscription.
 *
 * GET /openmeter/subscriptions/{subscriptionId}/addons/{subscriptionAddonId}
 */
export declare function getSubscriptionAddon(client: Client, req: GetSubscriptionAddonRequest, options?: RequestOptions): Promise<Result<GetSubscriptionAddonResponse>>;
/**
 * Update subscription addon
 *
 * Update a subscription add-on. Only the quantity is mutable; the timing controls
 * when the new quantity takes effect. A new entry is appended to the add-on's
 * timeline.
 *
 * PATCH /openmeter/subscriptions/{subscriptionId}/addons/{subscriptionAddonId}
 */
export declare function updateSubscriptionAddon(client: Client, req: UpdateSubscriptionAddonRequest, options?: RequestOptions): Promise<Result<UpdateSubscriptionAddonResponse>>;