/**
 * WorkspacePathManager provides utilities for handling workspace directory paths,
 * supporting various path formats (absolute, relative, home directory) and
 * ensuring the directories exist.
 */
export declare class WorkspacePathManager {
    /**
     * Default workspace directory name
     */
    private static readonly DEFAULT_WORKSPACE_DIR;
    /**
     * Resolve a workspace path, supporting various formats:
     * - Relative paths: './workspace', 'workspace'
     * - Home directory: '~/.agent-tars', '~/workspace'
     * - Absolute paths: '/path/to/workspace'
     * If no path is provided, uses the default path: 'cwd/agent-tars-workspace'
     *
     * @param baseDir The base directory to resolve relative paths from (usually cwd)
     * @param workspacePath Optional workspace path specification
     * @param namespace Optional workspace namespace for isolation (e.g. session ID)
     * @param isolateSessions Whether to create isolated session directories
     * @returns Resolved absolute path to the workspace directory
     */
    static resolveWorkspacePath(baseDir: string, workspacePath?: string, namespace?: string, isolateSessions?: boolean): string;
    /**
     * Ensures the specified workspace directory exists
     *
     * @param workspacePath Path to workspace directory
     * @returns The ensured workspace path
     * @throws Error if directory creation fails
     */
    static ensureWorkspaceDirectory(workspacePath: string): string;
}
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