import type { DeclarativeFlow } from "./types.js";
/**
 * Generate BPMN diagram interchange (DI) for a BPMN XML string using bpmn-io's
 * `bpmn-auto-layout`, returning the same model with an auto-laid-out diagram
 * (`bpmndi:BPMNDiagram`). Works on DI-less *or* already-laid-out input, and
 * preserves `zeebe:` extension elements (task definitions, message
 * subscriptions) through the round-trip.
 *
 * Requires the optional peer dependency `bpmn-auto-layout` to be installed; a
 * clear error is thrown if it is missing.
 */
export declare function layoutBpmn(bpmnXml: string): Promise<string>;
/**
 * Derive an executable BPMN model from a declarative flow AND auto-generate its
 * diagram (DI), so the model opens rendered in a modeller/viewer. Convenience
 * over `layoutBpmn(declarativeToBpmn(flow))`; async because layout is async. The
 * semantic model stays authoritative — see `declarativeToBpmn` for the DI-less
 * model the engine actually runs.
 *
 * Requires the optional peer dependency `bpmn-auto-layout` to be installed.
 */
export declare function declarativeToLayoutedBpmn(flow: DeclarativeFlow): Promise<string>;