import { ColDef, ColGroupDef, ColumnState } from '@ag-grid-community/core';
/**
 * Converts a ColDef to a ColumnState
 * @param colDef - The column definition to convert
 * @returns The corresponding ColumnState
 * @public
 */
export declare function convertColDefToColumnState(colDef: ColDef): ColumnState;
/**
 * Sanitizes persisted column state by removing unsupported keys.
 * @remarks Some AG Grid versions include legacy properties (e.g. `sortType`) that should not
 * be copied onto ColDefs during state merge.
 * @public
 */
export declare function sanitizeColumnState(columnState?: ColumnState[] | null): ColumnState[];
/**
 * Converts an array of ColDef to an array of ColumnState
 * @param colDefs - The column definitions to convert
 * @returns The corresponding ColumnState array
 * @public
 */
export declare function convertColDefsToColumnStates(colDefs: ColDef[]): ColumnState[];
/**
 * Merges two arrays, one of `ColDef` and one of `ColumnState`, and deduplicates them.
 * @remarks ColDef uses `field` and ColumnState uses `colId` to identify columns.
 * @privateRemarks For restoring saved `ColumnState` but also keep custom renderers and other `ColDef` properties.
 * @public
 */
export declare function mergeAndDedupColDefWithColumnState(colDefs: (ColDef | ColGroupDef)[], columnStates: ColumnState[]): (ColDef | ColGroupDef)[];
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