/**
 * Kagi credential resolution.
 *
 * Single source of truth for the Kagi API key (`KAGI_API_KEY`, legacy
 * alias `KAGI_TOKEN`).
 */
/** Credential environment names read by this module (#232 derivation pin). */
export declare const ENV_NAMES: readonly ["KAGI_API_KEY", "KAGI_TOKEN"];
export declare const MISSING_KEY_HELP = "export KAGI_API_KEY=\"your-kagi-api-key\"";
export declare function getKagiApiKey(env: NodeJS.ProcessEnv): string | undefined;
export declare function requireKagiApiKey(env: NodeJS.ProcessEnv): string;
export declare function isKagiConfigured(env: NodeJS.ProcessEnv): boolean;
/** SHA-256 fingerprint of the key — safe to log; never log the raw key. */
export declare function hashKagiApiKey(key: string): string;
//# sourceMappingURL=credentials.d.ts.map