import type { ThreadRecord, TaskEnvironmentSnapshot } from './types.js';
export interface TaskArtifactPaths {
    cwd: string;
    writableRoots: string[];
    artifactRoot: string;
    taskRoot: string;
    taskFolderName: string;
    source: 'task_folder' | 'local_folder';
    environment?: TaskEnvironmentSnapshot;
}
export declare function resolveLocalWorkspaceFolder(folder: string): string;
export declare function resolveTaskArtifactPaths(threadId: string, taskId: string | undefined): TaskArtifactPaths;
export declare function resolveThreadTaskArtifactPaths(thread: Pick<ThreadRecord, 'thread_id' | 'environment_snapshot' | 'task_workspace_folder'>, taskId: string | undefined): TaskArtifactPaths;
export declare function ensureTaskArtifactLayout(paths: TaskArtifactPaths): void;
export declare function hasMeaningfulTaskArtifacts(dir: string): boolean;
export declare function cleanupTaskFolderWithoutMeaningfulArtifacts(threadId: string, taskId: string | undefined): boolean;
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