import { Project } from 'projen';
import { BashStepConfig, GithubStepConfig, GitlabStepConfig, PipelineStep } from './step';
/**
 * Options for the PnpmSetupStep.
 */
export interface PnpmSetupStepOptions {
    /**
     * The version of pnpm to install.
     * If not provided, defaults to '9'.
     */
    readonly version?: string;
}
/**
 * Step to setup pnpm using the pnpm/action-setup GitHub Action.
 *
 * This step is automatically injected when a project uses pnpm as its package manager.
 * It ensures pnpm is available in the GitHub Actions workflow environment before
 * running any install commands.
 */
export declare class PnpmSetupStep extends PipelineStep {
    private options;
    constructor(project: Project, options?: PnpmSetupStepOptions);
    toGithub(): GithubStepConfig;
    toGitlab(): GitlabStepConfig;
    toBash(): BashStepConfig;
}
/**
 * Step to enable corepack for Yarn Berry support.
 *
 * This step is automatically injected when a project uses Yarn Berry as its package manager.
 * It ensures corepack is enabled in the CI environment before running any yarn commands,
 * which is required for Yarn Berry (v2+) to work correctly.
 */
export declare class CorepackSetupStep extends PipelineStep {
    constructor(project: Project);
    toGithub(): GithubStepConfig;
    toGitlab(): GitlabStepConfig;
    toBash(): BashStepConfig;
}