import { ToolProvider, ToolRequest } from '@theia/ai-core';
import { ILogger } from '@theia/core';
import { ChatAgentService, ChatService, ChatRequestInvocation } from '../common';
export declare class AgentDelegationTool implements ToolProvider {
    static ID: string;
    protected readonly pendingDelegations: Map<string, {
        prompt: string;
        invocation: ChatRequestInvocation;
    }>;
    protected readonly getChatAgentService: () => ChatAgentService;
    protected readonly getChatService: () => ChatService;
    protected readonly logger: ILogger;
    getTool(): ToolRequest;
    getDelegation(toolCallId: string): {
        prompt: string;
        invocation: ChatRequestInvocation;
    } | undefined;
    private delegateToAgent;
    /**
     * Makes the given task context the session's task context, replacing a previously set one.
     * `addVariables` deduplicates on variable id *and* argument, so adding a different task context
     * id would otherwise leave the session with both in its system prompt.
     */
    private setTaskContext;
    /**
     * Sets up all event bubbling from a delegated child session to the parent session:
     * - Interaction forwarding: child interactionNeeded events are forwarded to the parent response
     * - ChangeSet bubbling: child changeset changes are forwarded to the parent model
     */
    private setupChildSessionBubbling;
}
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