import type { Message } from "@mariozechner/pi-ai";
export interface GuardResult {
    triggered: boolean;
    error?: string;
}
/**
 * Evaluates whether a completed subagent successfully fulfilled an implementation task.
 * If it seems to have just talked about it without applying changes, it returns an error.
 */
export declare function evaluateCompletionMutationGuard(input: {
    agent: string;
    task: string;
    messages: Message[];
}): GuardResult;