import { type Rect } from './types.js';
export declare function scaleV1RectToCoherenceGrid(rect: Rect, isLineChart: boolean): Rect;
/**
 * Port of v1's generateCompleteLayout (frontend layoutHelpers.ts): keep saved
 * positions for streams present in the layout, then flow the remaining
 * streams row by row after the layout's end, using v1 default sizes.
 * All units are v1 12-column grid units; scaling happens per module later.
 */
export declare function generateCompleteLayout(layout: Record<string, Rect>, streamInfos: Array<{
    name: string;
    type: string;
}>): Record<string, Rect>;