import type { StringKeyOf } from 'type-fest';
/**
 * Env variables that can be passed to the GraphQL Mesh CLI.
 */
export declare type Env = {
    /**
     * Enable debug logging.
     */
    debug?: boolean;
};
/**
 * Env variables in a format accepted by the GraphQL Mesh CLI.
 */
export declare type CliEnv<TEnv extends Env = Env> = {
    [E in StringKeyOf<TEnv> as Uppercase<E>]?: E extends 'debug' ? '0' | '1' : string;
};
/**
 * Get a list of Env variables that can be passed to the
 * GraphQL Mesh CLI.
 */
export declare const getCliEnv: (options: Env) => CliEnv<Env>;