export declare function setCustomEnv(envObj: Record<string, string>): void;
export declare function getCustomEnv(): Record<string, string>;
export declare function setUserEnv(envObj: Record<string, string> | undefined): void;
export declare function getUserEnv(): Record<string, string>;
/**
 * Combination of process.env, customEnvVariables and user configured env
 *
 * Precedence: userEnv > customEnvVariables > process.env
 */
export declare function getEnv(): Record<string, string | undefined>;