import Docker from 'dockerode';
import type { Step, DockerExecResult } from './types.js';
export declare class DockerManager {
    docker: Docker;
    constructor();
    pullImage(image: string): Promise<void>;
    createContainer(image: string, options: {
        workspace: string;
        env: Record<string, string>;
        workingDir?: string;
    }): Promise<string>;
    execInContainer(containerId: string, step: Step, modifiedCommand?: string): Promise<DockerExecResult>;
    private runShell;
    stopContainer(containerId: string): Promise<void>;
    imageExists(image: string): Promise<boolean>;
}
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