import type { Component } from '@mariozechner/pi-tui';
import type { HarnessMessage, TaskItemSnapshot } from '@mastra/core/harness';
import { formatToolResult } from './handlers/tool.js';
import type { TUIState } from './state.js';
export { formatToolResult };
/**
 * Render a completed task list inline in the chat history.
 */
export declare function renderCompletedTasksInline(state: TUIState, tasks: TaskItemSnapshot[], insertIndex?: number, collapsed?: boolean): void;
/**
 * Render inline display when tasks are cleared.
 */
export declare function renderClearedTasksInline(state: TUIState, clearedTasks: TaskItemSnapshot[], insertIndex?: number): void;
export declare function addChildBeforeMessageOrFollowUps(state: TUIState, child: Component, precedesMessageId?: string): void;
/**
 * Add a user message to the chat container.
 */
export declare function addPendingUserMessage(state: TUIState, messageId: string, text: string, images?: Array<{
    data: string;
    mimeType: string;
}>, options?: {
    isInterjection?: boolean;
}): void;
export declare function confirmPendingUserMessage(state: TUIState, messageId: string, text: string): void;
export declare function removePendingUserMessage(state: TUIState, messageId: string): void;
export declare function clearPendingUserMessages(state: TUIState): void;
export declare function addUserMessage(state: TUIState, message: HarnessMessage, options?: {
    label?: string;
}): void;
/**
 * Re-render all existing messages from the harness thread into the chat container.
 * Called on thread switch and initial load.
 */
export declare function renderExistingMessages(state: TUIState): Promise<void>;
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