/**
 * Layered (3–4 tier stack) renderer.
 *
 * Layout (matches lumen-diagram/templates/layered.html convention):
 *   - container aspect 4:5 (tall)
 *   - layers evenly distributed between y=15 and y=82
 *   - dashed frame around each layer + uppercase label on the left
 *   - nodes within a layer evenly distributed across [10%, 90%]
 *   - edges connect adjacent layers center-to-center (fan-out/fan-in is
 *     v0.2.x territory)
 */
import type { LayeredContent } from "./schemas.js";
export interface LayeredRenderInput {
    title: string;
    subtitle?: string;
    content: LayeredContent;
}
export declare function renderLayeredBody({ title, content }: LayeredRenderInput): {
    bodyHtml: string;
    topologyCss: string;
};
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