export interface StartupTimingEvent {
    readonly name: string;
    readonly durationMs: number;
    readonly sinceStartMs: number;
    readonly skipped?: boolean;
}
export interface StartupTimer {
    readonly mark: (name: string, opts?: {
        readonly skipped?: boolean;
    }) => void;
    readonly measure: <T>(name: string, fn: () => T) => T;
    readonly measureAsync: <T>(name: string, fn: () => Promise<T>) => Promise<T>;
    readonly events: () => readonly StartupTimingEvent[];
}
export declare function createStartupTimer(): StartupTimer;
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