import type { AgentActivityItem } from '../conversation-types';
export declare class AgentActivity {
    items: AgentActivityItem[];
    heading: string;
    open: boolean;
    private expanded;
    componentWillLoad(): void;
    handleOpenChange(open: boolean): void;
    private get currentItem();
    private handleToggle;
    private stateLabel;
    render(): any;
}
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