/**
 * Sets the client name and version. These are sent in HTTP parameters to
 * Sourcegraph endpoints, which may block old client versions.
 */
export declare function setClientNameVersion(newClientName: string, newClientVersion: string): void;
/**
 * Gets the client info querystring parameters to send with HTTP requests.
 */
export declare function getClientInfoParams(): {
    "client-name": string;
    "client-version": string;
};
/**
 * Adds client info parameters to `params`. These parameters
 * are necessary for Sourcegraph >= 5.4 .api/completions/code and
 * .api/completions/stream endpoints.
 */
export declare function addClientInfoParams(params: URLSearchParams): void;
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