import type { WorkflowGraphProjection } from 'openxiangda-contracts/browser';
/** UI-only start node; it never enters the canonical document or command authority. */
export declare const workflowDesignerStartId = "__oxa_designer_start__";
export declare function workflowDesignerDisplayGraph(graph: WorkflowGraphProjection, returnFrom?: string, returnTargets?: readonly string[]): WorkflowGraphProjection;
export declare function workflowDesignerOutlineNodes(graph: WorkflowGraphProjection): WorkflowGraphProjection['nodes'];
export type WorkflowDesignerOutlineRow = WorkflowGraphProjection['nodes'][number] & {
    nodeId: string;
    depth: number;
    edgeId?: string;
};
/** Keep parallel children under their own branch; joining nodes remain outside the branch rows. */
export declare function workflowDesignerOutlineRows(graph: WorkflowGraphProjection): WorkflowDesignerOutlineRow[];
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