import { ICustomButtonPaneProps } from './ICustomButtonPaneProps';
import { IPropertyPaneField, PropertyPaneFieldType } from '@microsoft/sp-webpart-base';
export declare class CustomButtonPane implements IPropertyPaneField<ICustomButtonPaneProps> {
    type: PropertyPaneFieldType;
    targetProperty: string;
    properties: any;
    private elem;
    constructor(targetProperty: string, properties: ICustomButtonPaneProps);
    private onRender(elem);
}