export type CrashProcessKind = "bash" | "python" | "lsp" | "dap" | "mcp" | "browser" | "worker" | "native" | "unknown";
export type CrashClass = "clean_exit" | "non_zero_exit" | "signal_exit" | "timeout" | "cancelled" | "spawn_error" | "protocol_exit" | "native_panic" | "unknown";
export interface CrashClassificationInput {
    kind: CrashProcessKind;
    command?: string[];
    exitCode?: number | null;
    signal?: string | null;
    cancelled?: boolean;
    timedOut?: boolean;
    spawnError?: unknown;
    stderr?: string;
    protocol?: string;
}
export interface CrashClassification {
    kind: CrashProcessKind;
    class: CrashClass;
    crashed: boolean;
    exitCode: number | null;
    signal: string | null;
    command?: string[];
    protocol?: string;
    reason: string;
}
export interface CrashReport extends CrashClassification {
    schemaVersion: 1;
    createdAt: string;
    pid: number;
    cwd: string;
    stderrPreview?: string;
    spawnError?: string;
}
export interface CrashReportWriteResult {
    report: CrashReport;
    path: string | null;
    enabled: boolean;
}
export declare function crashDiagnosticsEnabled(env?: NodeJS.ProcessEnv): boolean;
export declare function getCrashDiagnosticsDirectory(env?: NodeJS.ProcessEnv): string;
export declare function classifyProcessCrash(input: CrashClassificationInput): CrashClassification;
export declare function writeCrashReport(input: CrashClassificationInput, options?: {
    cwd?: string;
    env?: NodeJS.ProcessEnv;
    now?: Date;
}): Promise<CrashReportWriteResult>;
export declare function formatCrashDiagnosticNotice(result: CrashReportWriteResult): string | null;