/**
 * Mermaid Emitter
 *
 * Renders the DI graph as design.md — a Mermaid `graph TD` diagram that GitHub
 * and IDEs render inline, so the DI design is reviewable in every PR. Emitted
 * in the same sorted order as design.json so diffs are equally stable.
 */
import { DiGraph } from './model';
/**
 * Render the design.md content for a project's DI graph — one Mermaid diagram
 * per design (per controller, or per library top-of-DAG root), each rooted at
 * Level 0 with its injections fanning downward.
 */
export declare function toDesignMarkdown(graph: DiGraph): string;