export declare function isEagerWarmupEnabled(): boolean;
/**
 * Fire-and-forget pre-warm of embed + rerank providers. No-op when env unset.
 * Errors logged at warn, never thrown.
 */
export declare function maybeEagerWarmup(): void;
/** Test-only: returns the in-flight warmup promise (or null). */
export declare function _getWarmupPendingForTest(): Promise<void> | null;
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