import type { TerminalAgentModeOption, TerminalAgentModeVersion } from "../../types/index.js";
export declare const TERMINAL_AGENT_PROMPT_VERSION: TerminalAgentModeVersion;
export declare const TERMINAL_AGENT_PROMPT_V1: string;
export declare const TERMINAL_AGENT_PROMPT_V2: string;
/**
 * Prepends the agent instructions to the caller's system prompt. The caller's
 * prompt is kept after them so task-specific guidance still has the last word.
 * `true` applies the current version; `{ version }` pins an earlier one.
 */
export declare function resolveTerminalAgentMode(agentMode: TerminalAgentModeOption | undefined, systemPrompt: string | undefined): {
    systemPrompt: string | undefined;
    version: TerminalAgentModeVersion | undefined;
};