import type { Server } from "node:http";
/** Sidecar comments file: uxloom.project.json → uxloom.project.comments.json */
export declare function commentsPathFor(projectPath: string): string;
interface EditOutcome {
    status: number;
    payload: unknown;
}
/**
 * Validate one edit op strictly, apply it to the project file, and
 * re-validate the whole project with parseProject BEFORE writing — on any
 * failure nothing is written. Returns the HTTP outcome; the actual viewer
 * refresh rides on the file watcher, not on this response.
 */
export declare function applyEditOp(projectPath: string, raw: string): EditOutcome;
/**
 * Create, wire up, and start the preview server (pass port 0 for an
 * ephemeral port). Returns the http server; closing it also stops the
 * file watcher. runPreview() wraps this with CLI ergonomics.
 */
export declare function createPreviewServer(projectPath: string, port: number): Server;
export declare function runPreview(fileArg?: string): void;
export {};