export function getAlignFromPlacement(builtinPlacements: any, placementStr: any, align: any): any;
export function getAlignPopupClassName(builtinPlacements: any, prefixCls: any, align: any, isAlignPoint: any): string;
export function noop(): void;
export function saveRef(name: any, component: any): void;
export class saveRef {
}