import { StdTableColumn } from '../types';
export declare const COLUMN_SETTINGS_VERSION = 2;
export interface ManagedTableColumn {
    id: string;
    legacyKey: string;
    column: StdTableColumn;
}
export interface StoredColumnSetting {
    id: string;
    key: string;
    hiddenInTable: boolean;
}
export interface StoredColumnSettings {
    version: typeof COLUMN_SETTINGS_VERSION;
    columns: StoredColumnSetting[];
}
export interface ParsedColumnSettings {
    columns: StoredColumnSetting[];
    needsMigration: boolean;
}
export interface RestoredColumnSettings {
    columns: ManagedTableColumn[];
    orphaned: StoredColumnSetting[];
}
export declare function createManagedColumns(columns: StdTableColumn[]): ManagedTableColumn[];
export declare function parseColumnSettings(value: string | null): ParsedColumnSettings | null;
export declare function restoreColumnSettings(availableColumns: ManagedTableColumn[], savedColumns: StoredColumnSetting[]): RestoredColumnSettings;
export declare function serializeColumnSettings(columns: ManagedTableColumn[], orphaned?: StoredColumnSetting[]): StoredColumnSettings;
export declare function normalizeTableColumnKeys(columns: StdTableColumn[]): StdTableColumn[];