import { type WorkflowGraphProjection } from 'openxiangda-contracts/browser';
/** Common task operations belong in configuration/history, not in the main diagram. */
export declare function workflowDiagramProjection(graph: WorkflowGraphProjection): WorkflowGraphProjection;
/** Summaries describe the immutable projection; they never infer business rules. */
export declare function workflowNodeSummaries(graph: WorkflowGraphProjection): Record<string, string>;
export declare const workflowReadableZoom = 0.7;
/** Check layout coordinates rather than virtualized DOM nodes, which may not exist. */
export declare function workflowNodeIsReadable(node: {
    x: number;
    y: number;
    width: number;
    height: number;
}, viewport: {
    x: number;
    y: number;
    zoom: number;
}, size: {
    width: number;
    height: number;
}): boolean;
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