import { ColumnRegular, ColumnType } from '@revolist/revogrid';
import { TimelineScale } from './timeline';
import { GanttVisualConfig } from './types';
/**
 * Create the RevoGrid column type that renders timeline headers and task bars.
 *
 * The returned type is read-only and receives current scale/visual state through
 * closures so the plugin can refresh it without storing DOM state in the type.
 */
export declare function createGanttColumnType(getScale: () => TimelineScale | null, getVisuals: () => GanttVisualConfig | undefined): ColumnType;
/** Create the pinned-end timeline column definition for RevoGrid. */
export declare function createTimelineColumn(size: number): ColumnRegular;
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