import { IterableChanges } from '@angular/core';
import { PblColumnSet, PblMetaColumnDefinition, PblColumnGroupDefinition } from '@pebula/ngrid/core';
import { PblMetaColumn, PblColumn, PblColumnGroup, COLUMN } from '../model';
import { GridRowType } from '../../row/types';
export interface PblMetaColumnStore {
    id: string;
    header?: PblMetaColumn;
    footer?: PblMetaColumn;
    headerGroup?: PblColumnGroup;
    footerGroup?: PblColumnGroup;
}
export interface PblColumnStoreMetaRow {
    rowDef: PblColumnSet<PblMetaColumnDefinition | PblColumnGroupDefinition>;
    keys: string[];
    kind: 'header' | 'footer';
    isGroup?: boolean;
}
export declare type PblRowTypeToColumnTypeMap<T extends GridRowType> = T extends 'header' ? PblColumn : T extends 'data' ? PblColumn : T extends 'footer' ? PblColumn : T extends 'meta-header' ? PblMetaColumn | PblColumnGroup : T extends 'meta-footer' ? PblMetaColumn | PblColumnGroup : COLUMN;
export interface PblRowColumnsChangeEvent<TCol extends COLUMN> {
    columns: TCol[];
    changes: IterableChanges<TCol>;
}
export interface AutoSizeToFitOptions {
    /**
     * When `px` will force all columns width to be in fixed pixels
     * When `%` will force all column width to be in %
     * otherwise (default) the width will be set in the same format it was originally set.
     * e.g.: If width was `33%` the new width will also be in %, or if width not set the new width will not be set as well.
     *
     * Does not apply when columnBehavior is set and returns a value.
     */
    forceWidthType?: '%' | 'px';
    /**
     * When true will keep the `minWidth` column definition (when set), otherwise will clear it.
     * Does not apply when columnBehavior is set and returns a value.
     */
    keepMinWidth?: boolean;
    /**
     * When true will keep the `maxWidth` column definition (when set), otherwise will clear it.
     * Does not apply when columnBehavior is set and returns a value.
     */
    keepMaxWidth?: boolean;
    /**
     * A function for per-column fine tuning of the process.
     * The function receives the `PblColumn`, its relative width (in %, 0 to 1) and total width (in pixels) and should return
     * an object describing how it should auto fit.
     *
     * When the function returns undefined the options are taken from the root.
     */
    columnBehavior?(column: PblColumn): Pick<AutoSizeToFitOptions, 'forceWidthType' | 'keepMinWidth' | 'keepMaxWidth'> | undefined;
}