/**
 * Previews — per-PR cost browser (ADR-137 §2.3 / §2.4).
 *
 * Two read-only operations over the per-PR cost aggregator. Wire shape
 * sourced from `@sylphx/contract` (`previewCostEndpoints`).
 */
import type { PreviewCostEnvelope, PreviewCostListResult } from '@sylphx/contract';
import type { Client } from './client.js';
export interface PreviewCostOptions {
    /**
     * Override the org context for the request. When omitted, the server
     * resolves the caller's current org from the auth token (or session
     * cookie). Pass an org slug or id to override.
     */
    readonly orgId?: string;
}
export interface ListPreviewCostOptions extends PreviewCostOptions {
    /**
     * Opaque cursor returned by a previous `listCosts()` call. Absent or
     * empty means "first page".
     */
    readonly cursor?: string;
}
/**
 * Fetch the per-PR cost envelope for one project + PR.
 *
 * Returns `404` (via thrown `ApiError`) when no preview environment has
 * existed for the PR on the project (common under ADR-130 selective
 * preview-tier policy — PRs that never matched a preview policy produce
 * no envelope).
 */
export declare const cost: (client: Client, projectId: string, prNumber: number, options?: PreviewCostOptions) => Promise<PreviewCostEnvelope>;
/**
 * List the most recent 50 PR cost envelopes for a project, ordered by
 * window-open time descending. The `cursor` field on the result, when
 * present, can be passed back as `options.cursor` to fetch the next page.
 */
export declare const listCosts: (client: Client, projectId: string, options?: ListPreviewCostOptions) => Promise<PreviewCostListResult>;
export type { PreviewCostEnvelope, PreviewCostListItem, PreviewCostListResult, } from '@sylphx/contract';
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