import { type ToolDef } from "./shared.js";
/**
 * Explains the breaking changes in plain language. Deterministic in the MVP: it
 * sources the changes and the migration steps entirely from the backend
 * (/compare + /migration-guide-preview) and only reshapes them — no diff or risk
 * logic lives here. AI-enhanced explanations arrive after Phase 4.
 */
export declare const explainBreakingChanges: ToolDef;