import type { ColumnWidthComputationItem, DataRelatedColumn } from '../interface';
export declare function deriveVisibleLeafColumnWidthItems(columns: DataRelatedColumn[]): ColumnWidthComputationItem[];
export declare function deriveResizableColumnWidthItems(columns: DataRelatedColumn[]): ColumnWidthComputationItem[];
export declare function deriveColumnWidthSignature(columns: ColumnWidthComputationItem[]): string;