export interface SessionWorkspace {
    readonly code: string;
    readonly folderName: string;
    readonly rootDir: string;
    readonly tempDir: string;
}
export declare const SESSION_CODE_RE: RegExp;
export declare const SESSION_FOLDER_RE: RegExp;
export declare function generateSessionCode(): string;
export declare function isValidSessionCode(code: string): boolean;
export declare function isValidSessionFolderName(name: string): boolean;
export declare function formatSessionFolderName(code: string, at?: Date): string;
export declare function getSessionWorkspaceParent(): string;
export declare function sessionWorkspaceRoot(folderName: string): string;
export declare function sessionTempDir(folderName: string): string;
export declare function ensureSessionWorkspaceDirs(ws: SessionWorkspace): void;
export declare function mintSessionWorkspace(at?: Date): SessionWorkspace;
export declare function restoreSessionWorkspace(folderName: string, code?: string | undefined): SessionWorkspace;
export declare function getActiveSessionWorkspace(): SessionWorkspace | undefined;
export declare function bindSessionWorkspace(ws: SessionWorkspace): SessionWorkspace;
export declare function beginSessionWorkspace(existing?: {
    folderName?: string | undefined;
    code?: string | undefined;
}): SessionWorkspace;
export declare function clearActiveSessionWorkspace(): void;
export declare function removeSessionWorkspaceFolder(folderName: string): boolean;
export declare function getActiveSessionScratchDir(): string | undefined;
export declare function getActiveSessionTempDir(): string | undefined;
export declare function isUnderSessionWorkspaceParent(path: string): boolean;