import type { ObservabilityReader } from './observability.js';
/**
 * The Cloudflare implementation of the observability seam (`observability.ts`) —
 * GraphQL invocation analytics + the Workers Observability telemetry query API,
 * mapped into the seam's neutral vocabulary (service ← scriptName, namespace ←
 * dispatchNamespaceName). Pure web-standard `fetch`, like the WfP uploader in
 * `wfp.ts`: no Cloudflare SDK, no node built-ins, so it runs in a Worker or in
 * node unchanged. The credential stays platform-held (D-34); callers only ever see
 * the narrowed JSON the seam returns.
 */
export interface CfObservabilityOptions {
    accountId: string;
    /**
     * A Cloudflare API token with Account Analytics read (the GraphQL invocations
     * dataset) and Workers Observability read (the telemetry query API). Deliberately
     * the same env slot as the WfP token in practice — one platform credential whose
     * permissions grow with the platform's needs — but nothing here assumes that.
     */
    apiToken: string;
    /**
     * The Analytics Engine dataset the ROUTER writes its per-request datapoints into —
     * the only place the tenant dimension exists (§4.2), and therefore the only source
     * `tenantMetrics` can read.
     *
     * Stated by the caller and defaulted NOWHERE, for the reason `DISPATCH_NAMESPACE`
     * is (#962): the environments write to different datasets (`substrat_router` in
     * production, `substrat_router_test` on TEST — `apps/router/wrangler.jsonc`), a
     * code default is inherited silently by whichever environment forgets to override
     * it, and the failure is a TEST control plane answering questions about production
     * traffic. There is no error to notice: the query succeeds and the numbers are
     * somebody else's.
     *
     * Absent ⇒ `tenantMetrics` is not exposed at all, so the route answers 501 — the
     * platform's shape for an unconfigured capability — rather than a wrong number or
     * an empty array that reads as "your app served nothing".
     */
    routerDataset?: string;
}
export declare function createCfObservabilityReader(opts: CfObservabilityOptions): ObservabilityReader;
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