/**
 * Claude Code subscription provider.
 *
 * Backs the LLMClient interface with the local `claude` CLI in headless
 * print mode (`claude -p --output-format json`), so model calls bill against
 * the user's Claude Pro/Max SUBSCRIPTION credit instead of an
 * ANTHROPIC_API_KEY. No API key is read or required by this adapter.
 *
 * ─────────────────────────────────────────────────────────────────────────
 * CAPABILITY BOUNDARY:
 *
 * agent-bober drives its OWN agentic loop: chat() is contracted to take MY
 * tools, return ONE model turn, stop at tool_use, and let the caller execute
 * the tool. The `claude` CLI does the OPPOSITE — it runs ITS OWN loop with
 * ITS OWN built-in tools (Read/Write/Bash) and never hands custom tool_use
 * blocks back. There is no faithful single-turn-with-my-tools mode.
 *
 * Therefore this adapter supports ONLY the no-tools case (system + messages
 * → text). That covers the pure prompt→text roles (planner, researcher
 * question-gen). If `params.tools` is non-empty it THROWS rather than
 * silently dropping the tools and corrupting the caller's loop.
 *
 * COST CAVEAT: `claude -p` injects Claude Code's full system prompt
 * (~40k cache-creation tokens) on every call, and post-2026-06-15 these calls
 * bill at standard API rates against a capped monthly subscription credit
 * (Max 5×=$100/mo, 20×=$200/mo, no rollover). This path is NOT free-unlimited.
 *
 * TERMS: programmatic subscription use via `claude -p` is permitted by
 * Anthropic as of 2026-06-15, billed from the separate Agent-SDK/CLI credit.
 * Verify current terms before relying on it at scale.
 * ─────────────────────────────────────────────────────────────────────────
 */
import type { LLMClient, ChatParams, ChatResponse } from "./types.js";
export declare class ClaudeCodeAdapter implements LLMClient {
    private readonly binary;
    private readonly timeoutMs;
    /**
     * @param binary    Path/name of the claude CLI (default "claude").
     * @param timeoutMs Per-call timeout. Default 180s (sprints make long calls).
     */
    constructor(binary?: string, timeoutMs?: number);
    chat(params: ChatParams): Promise<ChatResponse>;
}
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