export interface Event {
    ph: string;
    ts: string | number;
    dur?: string | number;
    pid?: string | number;
    tid?: string | number;
    name: string;
    cat: string;
    args?: any;
}
export interface EventSpan {
    event?: Event;
    start: number;
    end: number;
    children: EventSpan[];
}
export interface ParseResult {
    minTime: number;
    maxTime: number;
    spans: EventSpan[];
    unclosedStack: Event[];
    unmatchedEndEvents: Event[];
    nodeModulePaths: Map<string, string[]>;
}
export declare function parse(tracePath: string, minDuration: number): Promise<ParseResult>;
export declare function getEventStackKey(event: Event): string;