/**
 * Local, versioned crash report capture — Phase 1 of desktop diagnostics.
 * Shared by three writers: `main-runtime.ts`'s `uncaughtException`/
 * `unhandledRejection` hooks (domain `node`), `assets/prod-server.mjs`'s
 * renderer error endpoint (domain `renderer`), and
 * `crates/native/src/launcher.rs`'s panic hook / unexpected-Node-exit path
 * (domain `native`, written directly by Rust using the same directory and
 * filename convention — see that file's `write_native_crash_report`).
 *
 * Murasaki never transmits these anywhere: this module only captures and
 * exposes them through `MainContext.diagnostics`. Reused from
 * `assets/prod-server.mjs` via the same `.murasaki-runtime/main/` copy that
 * already ships `logger.js`/`sidecar.js` (see `cli/bundle.ts`'s
 * `copyMainRuntime`), so keep this file free of anything beyond `./logger.js`
 * and Node builtins.
 */
export declare const CRASH_REPORT_VERSION = 1;
export type CrashReportDomain = 'node' | 'native' | 'renderer';
/** One versioned local crash report. */
export interface CrashReport {
    reportVersion: 1;
    domain: CrashReportDomain;
    timestamp: string;
    appVersion: string;
    frameworkVersion: string;
    os: string;
    arch: string;
    message: string;
    stack?: string;
    extra?: Record<string, unknown>;
}
/** Metadata-only projection returned by `listCrashReports()`. */
export interface CrashReportSummary {
    id: string;
    domain: CrashReportDomain;
    timestamp: string;
    appVersion: string;
}
/** Read/write surface exposed on `MainContext.diagnostics`. */
export interface CrashDiagnosticsApi {
    listCrashReports(): Promise<CrashReportSummary[]>;
    readCrashReport(id: string): Promise<CrashReport | null>;
    clearCrashReports(): Promise<void>;
}
export interface CrashReportInput {
    domain: CrashReportDomain;
    message: string;
    stack?: string;
    extra?: Record<string, unknown>;
    appVersion: string;
    frameworkVersion: string;
}
export declare const DEFAULT_KEEP_CRASH_REPORTS = 20;
/** @internal Exported for tests; also usable by app code validating a stored id. */
export declare function isValidCrashReportId(id: unknown): id is string;
/**
 * Writes one crash report synchronously and atomically (temp file + rename)
 * so a caller about to end the process (`process.exit()`) cannot race past an
 * in-flight async write. Directory creation, the write, and rotation are all
 * best-effort: a failure here must never throw back into a crash path.
 */
export declare function writeCrashReportSync(directory: string, input: CrashReportInput, keepReports?: number): string | null;
/** Builds the read/write API exposed on `MainContext.diagnostics`. */
export declare function createCrashDiagnostics(directory: string): CrashDiagnosticsApi;
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