import type { IColumnDesc, IValueColumnDesc } from 'lineupjs';
import type { IScoreColumnDesc } from './interfaces';
export declare function isScoreColumnDesc<T = unknown>(desc: IValueColumnDesc<T> | IColumnDesc): desc is IScoreColumnDesc<T>;
/**
 * Creates an implementation of toDescRef that supports score columns.
 * Note: This is only useful for the ranking dump function. The data provider from the ranking already
 * uses this internally.
 *
 * @param defaultToDescRef the default behavior that gets called for each column that is NOT a score column
 * @returns a function that can be directly passed to the dump function of the ranking
 */
export declare function createToDescRefWithScoreColumns(defaultToDescRef: (value: any) => any): (desc: any) => any;
/**
 * Creates an implementation of fromDescRef that supports score columns.
 * Note: This is only useful for the ranking dump function. The data provider from the ranking already
 * uses this internally.
 *
 * @param defaultFromDescRef the default behavior that gets called for each column that is NOT a score column
 * @returns a function that can be directly passed to the restore function of the ranking
 */
export declare function createFromDescRefWithScoreColumns(defaultFromDescRef: (value: any) => any): (descRef: any) => any;
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