import type { IDataConfig, IGanttColumn, IResourceColumn } from "./types";
export declare const ADD_TASK_COLUMN_WIDTH = 37;
export declare function normalizeColumns(columns: IGanttColumn[]): IGanttColumn[];
export declare const defaultColumns: IGanttColumn[];
export declare function getDefaultColumns(config?: Partial<IDataConfig>): IGanttColumn[];
export declare function getResourceColumns(): IResourceColumn[];