import type { ProviderQuotaFetch } from "../types.js";
export declare const OPENALEX_WORKS_URL = "https://api.openalex.org/works";
/** Injectable transport dependencies (fetch, timers). */
export interface OpenalexTransportDeps {
    readonly fetch?: ProviderQuotaFetch;
    readonly setTimeout?: typeof setTimeout;
    readonly clearTimeout?: typeof clearTimeout;
}
/** Credential resolved per invocation from the injected env. */
export interface OpenalexCredentials {
    /** `OPENALEX_API_KEY` when present; keyless otherwise. */
    readonly apiKey?: string;
}
export declare function resolveOpenalexCredentials(env: NodeJS.ProcessEnv): OpenalexCredentials;
/** `OPENALEX_TIMEOUT` override, clamped through the shared seam (#234). */
export declare function resolveTimeoutMs(env: NodeJS.ProcessEnv): number;
export declare function fetchOpenalexJson(params: Record<string, string>, deps?: OpenalexTransportDeps & {
    readonly env?: NodeJS.ProcessEnv;
}, signal?: AbortSignal, path?: string): Promise<unknown>;
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