import { IRPCProtocol } from '@opensumi/ide-connection';
import { Event } from '@opensumi/ide-core-common';
import { IExtHostTheming } from '../../../common/vscode';
import { ColorTheme } from '../../../common/vscode/ext-types';
export declare class ExtHostTheming implements IExtHostTheming {
    private rpcProtocol;
    private _proxy;
    private _actual;
    private _onDidChangeActiveColorTheme;
    constructor(rpcProtocol: IRPCProtocol);
    get activeColorTheme(): ColorTheme;
    $onColorThemeChange(type: string): void;
    get onDidChangeActiveColorTheme(): Event<ColorTheme>;
}
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