/**
 * Add opinionated environment variables to the environment
 *
 * - `APP_NAME`
 * - `PR_NUMBER`
 *
 * @param appName - The name of the app
 * @param prNumber - The pull request number
 * @param env - The current environment variables to append to
 * @returns The environment variables with the opinionated environment variables added
 */
export declare const addOpinionatedEnv: ({ appName, prNumber }: {
    appName: string;
    prNumber?: number;
}, env?: Record<string, string>) => Record<string, string>;