type PiEvents = 'before_agent_start' | 'agent_start';
interface PiLike {
    on: (event: PiEvents, handler: (event: any, ctx: any) => void | Promise<void>) => void;
    registerTool: (definition: Record<string, unknown>) => void;
    getActiveTools?: () => string[];
    setActiveTools?: (tools: string[]) => void;
}
export declare function registerCanvasStructuredOutput(pi: PiLike): void;
export default registerCanvasStructuredOutput;