/**
 * Spider.cloud Diagnostics Capability.
 *
 * Probes Spider.cloud connectivity with a single, cheapest-possible
 * request — one GET /data/credits — so the doctor command can verify a
 * credential authenticates without burning any credit. Unlike the
 * Firecrawl probe (a one-credit scrape), the credits endpoint is free,
 * so the probe rides the exact same transport as the Quota capability.
 *
 * Boundary rules (ARCHITECTURE.md §2):
 *   - May import the diagnostics contract, Adapter-local config,
 *     Adapter-local credits transport, and normalized errors.
 *   - Must NOT import command presentation or another Provider's Adapter.
 */
import type { DiagnosticsCapability } from "../../capabilities/diagnostics.js";
import { type SpiderTransportDeps } from "./client.js";
export interface SpiderDiagnosticsCapabilityOptions {
    readonly env: NodeJS.ProcessEnv;
    readonly transport?: SpiderTransportDeps;
}
/**
 * Build the Spider.cloud DiagnosticsCapability. The probe performs ONE
 * GET /data/credits — a free authentication check, the cheapest
 * credible probe. Shared execution owns the retry policy; this
 * transport performs exactly one attempt per invocation.
 *
 * When `diagOptions.probe` is false, `invoke` resolves immediately
 * without touching the network — the doctor command skips probing
 * unconfigured or tools-disabled Providers before reaching this
 * Capability.
 */
export declare function createSpiderDiagnosticsCapability(options: SpiderDiagnosticsCapabilityOptions): DiagnosticsCapability;
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