export declare const DEFAULT_POOL_CONFIG: {
    min: number;
    max: number;
    idleTimeoutMillis: number;
    acquireTimeoutMillis: number;
};
export declare const DEFAULT_CACHE_CONFIG: {
    enabled: boolean;
    ttl: number;
    maxSize: number;
};
export declare const DEFAULT_LOGGING_CONFIG: {
    enabled: boolean;
    level: string;
    maxEntries: number;
};
export declare const QUERY_TIMEOUT = 30000;
export declare const AGGREGATE_FUNCTIONS: Set<string>;