import { Emitter } from "@codingame/monaco-vscode-api/vscode/vs/base/common/event";
import { IMarkdownString } from "@codingame/monaco-vscode-api/vscode/vs/base/common/htmlContent";
import { Disposable, IDisposable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
import { IObservable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/observable";
import { IChatRendererContent } from "@codingame/monaco-vscode-9911aec2-e4dd-5483-8369-9d695cc70d8a-common/vscode/vs/workbench/contrib/chat/common/chatViewModel";
import { ChatTreeItem } from "@codingame/monaco-vscode-9911aec2-e4dd-5483-8369-9d695cc70d8a-common/vscode/vs/workbench/contrib/chat/browser/chat";
import { IChatContentPart, IChatContentPartRenderContext } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/browser/chatContentParts/chatContentParts";
export declare abstract class ChatCollapsibleContentPart extends Disposable implements IChatContentPart {
    private readonly title;
    protected readonly context: IChatContentPartRenderContext;
    private _domNode?;
    protected readonly _onDidChangeHeight: Emitter<void>;
    readonly onDidChangeHeight: import("@codingame/monaco-vscode-api/vscode/vs/base/common/event").Event<void>;
    protected readonly hasFollowingContent: boolean;
    protected _isExpanded: import("@codingame/monaco-vscode-api/vscode/vs/base/common/observable").ISettableObservable<boolean, void>;
    constructor(title: IMarkdownString | string, context: IChatContentPartRenderContext);
    get domNode(): HTMLElement;
    protected init(): HTMLElement;
    protected abstract initContent(): HTMLElement;
    abstract hasSameContent(other: IChatRendererContent, followingContent: IChatRendererContent[], element: ChatTreeItem): boolean;
    private updateAriaLabel;
    addDisposable(disposable: IDisposable): void;
    get expanded(): IObservable<boolean>;
    protected isExpanded(): boolean;
    protected setExpanded(value: boolean): void;
}