/**
 * Sequence-diagram renderer.
 *
 * Layout (matches lumen-diagram/templates/sequence.html convention):
 *   - participant pills at top:6%, evenly distributed in [12%, 88%]
 *   - lifelines drop from 18% to 92%
 *   - messages stacked vertically; auto-spaced based on count
 *   - container height = 140px + msg_count * 40px (variable, adapts to scale)
 *
 * Caller passes participants (2–6) + messages (1–15) as logical indices;
 * renderer computes absolute --x / --y.
 */
import type { SequenceContent } from "./schemas.js";
export interface SequenceRenderInput {
    title: string;
    subtitle?: string;
    content: SequenceContent;
}
export declare function renderSequenceBody({ title, content }: SequenceRenderInput): {
    bodyHtml: string;
    topologyCss: string;
};
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