export declare function init(opts: {
    key?: string;
    endpoint?: string;
    route?: boolean;
    models?: string[];
    quiet?: boolean;
}): void;
export declare function resolveKey(perCallKey?: string): string;
export declare function getEndpoint(): string;
export declare function hasKey(): boolean;
export declare function shouldRoute(): boolean;
export declare function isModelAllowed(model: string): boolean;
export declare function isQuiet(): boolean;