/**
 * Negotiate-plan use-case: the interactive negotiation loop for plan proposal
 * and challenge/approval. Driven by injected ports (agent, fs, prompt, print)
 * so it is fully testable with fakes — the actual stdin/stdout binding is the
 * orchestrator's job.
 */
import type { AgentPort } from "../ports/agent.ts";
import type { FsPort } from "../ports/fs.ts";
import type { PromptPort } from "../ports/prompt.ts";
import type { PlanSessionConfig } from "./plan-session.ts";
export interface NegotiatePlanDeps {
    agent: AgentPort;
    fs: FsPort;
    prompt: PromptPort;
    print: (line: string) => void;
}
export interface NegotiatePlanConfig extends PlanSessionConfig {
    diabloDir: string;
}
/**
 * Runs the interactive plan negotiation loop: proposes a plan, then loops
 * asking the user for challenges or approval. On explicit approval, freezes
 * the plan and persists status as "planned". On abort, returns without
 * freezing. Returns "frozen" if approved, "aborted" if cancelled.
 */
export declare function negotiatePlan(deps: NegotiatePlanDeps, config: NegotiatePlanConfig): Promise<"frozen" | "aborted">;