/**
 * SearchApi Provider Adapter.
 *
 * T2 wires the Search Capability; T3 adds the Quota and Diagnostics
 * Capabilities (both backed by the non-destructive `GET /api/v1/me`
 * probe). The descriptor advertises `"search"`, `"diagnostics"`, and
 * `"quota"`, and `create()` returns an Adapter whose slots own
 * credentials, transport, Provider field mapping, and failure
 * normalization.
 *
 * Engine routing (SPEC, locked): `topic:"news"` → `engine=google_news`;
 * every other topic (and no topic) → `engine=google`. Unlike the Z.AI/
 * MiniMax/Parallel/Jina adapters there is NO topic keyword appendage —
 * SearchApi routing is engine-only.
 *
 * Boundary rules (ARCHITECTURE.md §2):
 *   - May import capability types, normalized errors, Provider identity
 *     types, and the Adapter-local credential and transport Modules.
 *   - Must NOT import command presentation, output mode, or another
 *     Provider's Adapter.
 */
import type { ProviderDescriptor } from "../types.js";
import type { SearchSource } from "../../capabilities/search.js";
import { type SearchApiTransportDeps } from "./client.js";
/** Dependencies the SearchApi Adapter accepts. */
export interface SearchApiAdapterDependencies {
    /** Optional transport injection (fetch, timers, env). */
    readonly transport?: SearchApiTransportDeps;
}
/**
 * Normalize a raw SearchApi.io search response into `SearchSource[]`.
 * Reads `raw.organic_results[]`:
 *
 *   title   -> title
 *   link    -> url
 *   snippet -> summary ("" when absent)
 *   date    -> date (only when present and string)
 *
 * A malformed shape (non-object root, `organic_results` not an array,
 * non-string title/link) is a retryable `ApiError` 500.
 */
export declare function normalizeSearchApiResults(raw: unknown): readonly SearchSource[];
/**
 * Build the SearchApi Provider Descriptor. The descriptor advertises
 * Search, Diagnostics, and Quota; `create()` returns an Adapter whose
 * slots own credentials, transport, Provider field mapping, and failure
 * normalization. Construction is side-effect-free; the transport is
 * invoked per Capability call. Tests pass `transport` (typically a
 * fake-fetch wrapper); production uses the no-argument factory which
 * resolves to the global `fetch` and timers inside the transport
 * Module.
 */
export declare function createSearchApiDescriptor(dependencies?: SearchApiAdapterDependencies): ProviderDescriptor;
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