import { type Client } from '../core.js';
import { type Result, type RequestOptions } from '../lib/types.js';
import type { ListInvoicesRequest, ListInvoicesResponse, GetInvoiceRequest, GetInvoiceResponse, UpdateInvoiceRequest, UpdateInvoiceResponse, DeleteInvoiceRequest, DeleteInvoiceResponse, AdvanceInvoiceRequest, AdvanceInvoiceResponse, ApproveInvoiceRequest, ApproveInvoiceResponse, RetryInvoiceRequest, RetryInvoiceResponse, SnapshotQuantitiesInvoiceRequest, SnapshotQuantitiesInvoiceResponse } from '../models/operations/invoices.js';
/**
 * List billing invoices
 *
 * List billing invoices.
 *
 * Returns a page of invoices. Gathering invoices are never included. Use `filter`
 * to narrow by status, customer, dates, or service period start. Use `sort` to
 * control ordering.
 *
 * GET /openmeter/billing/invoices
 */
export declare function listInvoices(client: Client, req?: ListInvoicesRequest, options?: RequestOptions): Promise<Result<ListInvoicesResponse>>;
/**
 * Get a billing invoice
 *
 * Get a billing invoice by ID.
 *
 * Returns the full invoice resource including line items, status details, totals,
 * and workflow configuration snapshot.
 *
 * GET /openmeter/billing/invoices/{invoiceId}
 */
export declare function getInvoice(client: Client, req: GetInvoiceRequest, options?: RequestOptions): Promise<Result<GetInvoiceResponse>>;
/**
 * Update a billing invoice
 *
 * Update a billing invoice.
 *
 * Only the mutable fields of the invoice can be edited: description, labels,
 * supplier, customer, workflow settings, and top-level lines. Top-level lines are
 * matched by `id`; lines without an `id` are created, and existing lines omitted
 * from `lines` are deleted. Detailed (child) lines are always computed and cannot
 * be edited directly. Only invoices in draft status can be updated.
 *
 * PUT /openmeter/billing/invoices/{invoiceId}
 */
export declare function updateInvoice(client: Client, req: UpdateInvoiceRequest, options?: RequestOptions): Promise<Result<UpdateInvoiceResponse>>;
/**
 * Delete a billing invoice
 *
 * Delete a billing invoice.
 *
 * Only standard invoices in draft status can be deleted. Deleting an invoice will
 * also delete all associated line items and workflow configuration.
 *
 * DELETE /openmeter/billing/invoices/{invoiceId}
 */
export declare function deleteInvoice(client: Client, req: DeleteInvoiceRequest, options?: RequestOptions): Promise<Result<DeleteInvoiceResponse>>;
/**
 * Advance billing invoice's next status
 *
 * Advance a billing invoice.
 *
 * Advances the invoice to the next workflow state. The next state is determined by
 * the invoice's current status and workflow configuration. Only invoices in draft
 * or issued status can be advanced.
 *
 * POST /openmeter/billing/invoices/{invoiceId}/advance
 */
export declare function advanceInvoice(client: Client, req: AdvanceInvoiceRequest, options?: RequestOptions): Promise<Result<AdvanceInvoiceResponse>>;
/**
 * Send the invoice to the customer
 *
 * Approve a billing invoice.
 *
 * This call instantly sends the invoice to the customer using the configured
 * billing profile app.
 *
 * This call is valid in two invoice statuses:
 *
 * - draft: the invoice will be sent to the customer, the invoice state becomes
 * issued
 * - manual_approval_needed: the invoice will be sent to the customer, the invoice
 * state becomes issued
 *
 * POST /openmeter/billing/invoices/{invoiceId}/approve
 */
export declare function approveInvoice(client: Client, req: ApproveInvoiceRequest, options?: RequestOptions): Promise<Result<ApproveInvoiceResponse>>;
/**
 * Retry advancing the invoice after a failed attempt
 *
 * Retry sending a billing invoice.
 *
 * Retry advancing the invoice after a failed attempt.
 *
 * The action can be called when the invoice's statusDetails' actions field contain
 * the "retry" action.
 *
 * POST /openmeter/billing/invoices/{invoiceId}/retry
 */
export declare function retryInvoice(client: Client, req: RetryInvoiceRequest, options?: RequestOptions): Promise<Result<RetryInvoiceResponse>>;
/**
 * Snapshot quantities for usage based line items
 *
 * Snapshot quantities for usage-based line items.
 *
 * This call will snapshot the quantities for all usage based line items in the
 * invoice.
 *
 * This call is only valid in draft.waiting_for_collection status, where the
 * collection period can be skipped using this action.
 *
 * POST /openmeter/billing/invoices/{invoiceId}/snapshot-quantities
 */
export declare function snapshotQuantitiesInvoice(client: Client, req: SnapshotQuantitiesInvoiceRequest, options?: RequestOptions): Promise<Result<SnapshotQuantitiesInvoiceResponse>>;