import { z } from "zod";
import { TaskManager } from "../task/taskManager.js";
import { ToolResultWithNextSteps } from "../core/types.js";
export declare const VisualizeTasksDependencyTreeSchema: {
    taskId: z.ZodOptional<z.ZodString>;
};
export declare function visualizeTasksDependencyTreeHandler(taskManager: TaskManager, params: z.infer<z.ZodObject<typeof VisualizeTasksDependencyTreeSchema>>): Promise<ToolResultWithNextSteps>;