import type { AgPromise, IToolPanel, IToolPanelParams } from 'ag-grid-community';
import { CustomComponentWrapper } from './customComponentWrapper';
import type { CustomToolPanelProps } from './interfaces';
export declare class ToolPanelComponentWrapper extends CustomComponentWrapper<IToolPanelParams, CustomToolPanelProps, object> implements IToolPanel {
    private state;
    private appliedParams;
    private readonly onStateChange;
    init(params: IToolPanelParams): AgPromise<void>;
    refresh(params: IToolPanelParams): boolean;
    /**
     * A restore hands over fresh params; `api.refreshToolPanel()` re-presents the applied ones, so the
     * state the component has since reported must survive it. The state object can be the same on
     * repeat restores.
     */
    private applyInitialState;
    getState(): any;
    private updateState;
    protected getProps(): CustomToolPanelProps;
}