import { Agent } from '../agent/index.js';
import type { ToolsInput, ToolsetsInput } from '../agent/types.js';
import type { MastraLanguageModel } from '../llm/model/shared.types.js';
import { RequestContext } from '../request-context/index.js';
import { askUserTool } from '../tools/builtin/ask-user.js';
import { submitPlanTool } from '../tools/builtin/submit-plan.js';
import type { HarnessSubagent } from './types.js';
export { askUserTool };
export { submitPlanTool };
export { taskWriteTool, taskUpdateTool, taskCompleteTool, taskCheckTool, assignTaskIds, summarizeTaskCheck, } from '../tools/builtin/task-tools.js';
export type { TaskItem, TaskItemInput, TaskItemSnapshot, TaskCheckResult, TaskCheckSummary, } from '../tools/builtin/task-tools.js';
export { TaskStateProcessor } from '../tools/builtin/task-state-processor.js';
export interface CreateSubagentToolOptions {
    subagents: HarnessSubagent[];
    resolveModel: (modelId: string) => MastraLanguageModel;
    /** Resolved harness tools (already evaluated from DynamicArgument) */
    harnessTools?: ToolsInput;
    /** Fallback model ID when subagent definition has no defaultModelId */
    fallbackModelId?: string;
    /** Returns the parent model ID for display when a subagent call is forked. */
    getParentModelId?: () => string;
    /**
     * Returns the parent Agent that owns the current run. Invoked when a
     * subagent call is forked so the fork can reuse the parent's
     * instructions, tools, and model to preserve prompt-cache prefix.
     */
    getParentAgent?: () => Agent | undefined;
    /**
     * Clones the parent thread so a forked subagent can run on a copy
     * without polluting the parent conversation. Typically delegates to
     * `Harness.cloneThread`. Returns the new thread metadata.
     */
    cloneThreadForFork?: (opts: {
        sourceThreadId: string;
        resourceId?: string;
        title?: string;
    }) => Promise<{
        id: string;
        resourceId: string;
    }>;
    /**
     * Resolves the toolsets the parent agent runs with for the current request.
     * When set, forked subagents inherit the parent's toolsets so harness-injected
     * tools like `ask_user` / `submit_plan` / user-configured harness tools remain
     * available inside the fork. The `subagent` entry is preserved for prompt-cache
     * stability, but its runtime execute function is patched to block recursion.
     */
    getParentToolsets?: (requestContext?: RequestContext) => Promise<ToolsetsInput | undefined>;
}
/**
 * Creates a `subagent` tool from registered subagent definitions.
 * The tool spawns a fresh Agent per invocation with constrained tools,
 * streams the response, and forwards events to the harness.
 */
export declare function createSubagentTool(opts: CreateSubagentToolOptions): import("../tools").Tool<{
    agentType: string;
    task: string;
    modelId?: string | undefined;
    forked?: boolean | undefined;
}, unknown, unknown, unknown, import("../tools").ToolExecutionContext<unknown, unknown, unknown>, "subagent", unknown>;
/**
 * Parse subagent metadata from a tool result string.
 *
 * Older persisted threads may have an internal `<subagent-meta />` tag
 * appended to the subagent tool result content (carrying modelId / durationMs
 * / sub-tool-call summary, used by history-render UIs to reconstruct the
 * subagent activity box when live events aren't available).
 *
 * New runs no longer append the tag — the metadata leaked into model context
 * and could be echoed back as visible assistant text — but this parser is
 * retained so existing threads continue to render cleanly. It also strips the
 * tag so callers never display it to users.
 *
 * Returns the cleaned text plus any parsed metadata.
 */
export declare function parseSubagentMeta(content: string): {
    text: string;
    modelId?: string;
    durationMs?: number;
    toolCalls?: Array<{
        name: string;
        isError: boolean;
    }>;
};
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