/**
 * Replicate Auth Helper
 *
 * Resolves the Replicate API token + base URL from per-call overrides,
 * instance credentials, or env vars. Used by every Replicate-backed
 * handler (LLM, video, avatar, music) so the auth chain is centralised.
 *
 * @module adapters/replicate/auth
 */
import type { ReplicateAuth } from "../../types/index.js";
/**
 * Resolve Replicate auth from override → env vars.
 *
 * Returns `null` when `REPLICATE_API_TOKEN` is missing AND no override is
 * provided. Handlers' `isConfigured()` check `auth !== null`.
 *
 * @param override - per-call or instance-level credentials slice
 */
export declare function getReplicateAuth(override?: Partial<ReplicateAuth>): ReplicateAuth | null;