export type TsDiagnosticsMode = "blocking" | "async" | "skip";
export interface DevPreflightOptions {
    rootDir: string;
    language: "ts" | "js";
    reason: string;
    tsDiagnosticsMode?: TsDiagnosticsMode;
    logTypegenDetails?: boolean;
}
export interface DevPreflightResult {
    ok: boolean;
    typegenOk: boolean;
    tsOk: boolean;
    tsDiagnosticsPending?: boolean;
    tsDiagnosticsTask?: Promise<TsDiagnosticsResult>;
}
interface TsDiagnosticsResult {
    ok: boolean;
    errorCount: number;
    formatted?: string;
}
export declare function runDevPreflight(options: DevPreflightOptions): Promise<DevPreflightResult>;
export {};