export declare function buildApiProxyPath(key: string): string;
export declare function headersToObject(headers?: HeadersInit): Record<string, string>;
export declare function createAuthHeader({ auth, token, credentials, }: {
    auth?: string;
    token?: string;
    credentials?: {
        username: string;
        password: string;
    };
}): {
    Authorization: string;
} | undefined;