import type { DoctorCheck, HarnessKind } from "../shared/types.js";
/** Exact remedies surfaced in doctor output and the fatal-exit message —
 *  kept as named constants so bin.ts's messaging can't drift from what
 *  doctor.ts itself tells the user to run. */
export declare const CLAUDE_INSTALL_COMMAND = "npm i -g @anthropic-ai/claude-code";
export declare const CODEX_INSTALL_COMMAND = "npm i -g @openai/codex";
/**
 * Node is a hard requirement. Neither coding agent is individually required —
 * the harness runs with whichever of claude/codex is on PATH — but at least
 * one of them must be, or there's nothing to launch.
 */
export interface DoctorReport {
    checks: DoctorCheck[];
    ok: boolean;
    /** Harness kinds with a working binary on PATH, in default-preference order
     *  (claude-code first). Empty only when `ok` is false. */
    availableHarnesses: HarnessKind[];
}
export declare function runDoctor(): Promise<DoctorReport>;
/** First available harness in preference order, for callers that need a
 *  single default (e.g. the auto-created boot session). Only falls back to
 *  "claude-code" when the report itself is empty — main() already refuses to
 *  proceed past a report with no available harnesses, so real callers never
 *  hit that fallback. */
export declare function pickDefaultHarness(report: DoctorReport): HarnessKind;
export declare function printDoctorReport(report: DoctorReport): void;
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