import type { RenderObject, Visitor } from './render-object';
export interface RenderContainer<ChildType extends RenderObject> {
    readonly childCount: number;
    readonly firstChild?: ChildType;
    readonly lastChild?: ChildType;
    childBefore(child: ChildType): ChildType | undefined;
    childAfter(child: ChildType): ChildType | undefined;
    visitChildren(visitor: Visitor<ChildType>): void;
    insertAfter(child: ChildType, after?: ChildType): void;
    insertBefore(child: ChildType, before?: ChildType): void;
    appendChild(child: ChildType): void;
    removeChild(child: ChildType): void;
    removeAllChildren(): void;
    readonly debugChildren: ChildType[];
}