/**
 * OpenAlex Diagnostics Capability.
 *
 * Keyless bounded probe (DESIGN D2 round-3 ruling): doctor probes
 * every always-configured science supplier, so the OpenAlex probe is
 * ONE minimal keyless wire call — still one call, still `per-page=1`,
 * but it rides the SEARCH surface (`search=scoutline-doctor-probe`). #145: anonymous
 * OpenAlex search can be 503-paused while the bare works list stays
 * green, so a works-list-only probe reports capability health it never
 * tested. Red during an anonymous pause is INTENDED — the row reports
 * the search capability, not bare connectivity. The politeness posture
 * applies to it too:
 * house UA plus the `mailto=` param whenever no api_key is present.
 * When `diagOptions.probe` is false, `invoke` resolves immediately
 * without touching the network.
 */
import type { DiagnosticsCapability } from "../../capabilities/diagnostics.js";
import { type OpenalexTransportDeps } from "./client.js";
export interface OpenalexDiagnosticsCapabilityOptions {
    readonly env: NodeJS.ProcessEnv;
    readonly transport?: OpenalexTransportDeps;
}
export declare function createOpenalexDiagnosticsCapability(options: OpenalexDiagnosticsCapabilityOptions): DiagnosticsCapability;
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