import type { Integration } from '../lib/constants.js';
export declare function addOrUpdateEnvironmentVariablesStep({ installDir, variables, integration, }: {
    installDir: string;
    variables: Record<string, string>;
    integration: Integration;
}): Promise<{
    relativeEnvFilePath: string;
    addedEnvVariables: boolean;
    addedGitignore: boolean;
}>;