import type { WorkDocumentColumns } from './work-types';
interface LegacyDocumentColumns {
    count?: number;
    spacing?: number;
    separator?: boolean;
}
export declare const DEFAULT_DOCUMENT_COLUMNS: WorkDocumentColumns;
export declare function normalizeDocumentColumns(columns?: Partial<WorkDocumentColumns>): WorkDocumentColumns;
export declare function serializeDocumentColumns(columns: WorkDocumentColumns): string;
export declare function parseDocumentColumns(source: string | undefined, legacy?: LegacyDocumentColumns, fallback?: WorkDocumentColumns): WorkDocumentColumns;
export declare function setCustomDocumentColumns(columns: WorkDocumentColumns, enabled: boolean): WorkDocumentColumns;
export declare function updateDocumentColumnWidth(columns: WorkDocumentColumns, index: number, widthPercent: number): WorkDocumentColumns;
export declare function documentColumnGridTemplate(columns: WorkDocumentColumns): string;
export declare function documentUnequalColumnGroups(html: string, columns: WorkDocumentColumns): string[];
export {};