import type { LLMConfig } from './types.ts';
export declare const PROVIDER_KEYS: Record<string, {
    envVar: string;
    signupUrl: string;
}>;
export declare class MissingApiKeyError extends Error {
    constructor(provider: string, envVar: string, signupUrl: string);
}
export declare function validateApiKeys(config: LLMConfig): void;
//# sourceMappingURL=validateApiKeys.d.ts.map