/** Align with Remote Console file manager (paths relative to project root). */
export declare const FILE_MANAGER_ALLOWED: readonly string[];
export declare const FILE_MANAGER_BLOCKED: Readonly<Set<string>>;
export type FileTreeNode = {
    readonly name: string;
    readonly path: string;
    readonly type: 'file' | 'directory';
    readonly children?: readonly FileTreeNode[];
};
export declare function isProjectPathAllowed(relativePath: string): boolean;
export declare function buildProjectFileTree(projectRoot: string): Promise<FileTreeNode[]>;
export declare function readProjectFile(projectRoot: string, relativePath: string): Promise<{
    content: string;
    size: number;
}>;
export declare function saveProjectFile(projectRoot: string, relativePath: string, content: string): Promise<void>;
export declare function listEnvFiles(projectRoot: string): Promise<readonly {
    name: string;
    exists: boolean;
}[]>;