export interface Span {
    id: string;
    parentId?: string;
    name: string;
    startTime: number;
    endTime?: number;
    duration?: number;
    attributes: Record<string, any>;
    children: Span[];
}
export declare class PerformanceLogger {
    private static asyncLocalStorage?;
    private static enabled;
    private static initialized;
    private static spanCounter;
    private static initialize;
    private static generateSpanId;
    static startSpan(name: string, attributes?: Record<string, any>): Span;
    static endSpan(span: Span, additionalAttributes?: Record<string, any>): void;
    static withSpan<T>(name: string, fn: () => Promise<T> | T, attributes?: Record<string, any>): Promise<T>;
    static withSpanRoot<T>(name: string, fn: () => Promise<T> | T, attributes?: Record<string, any>): Promise<T>;
    static getCurrentSpan(): Span | undefined;
    static logSpanTree(rootSpan: Span): void;
    private static buildSpanTreeLines;
    private static addAttributeLines;
    private static formatQuery;
}
//# sourceMappingURL=PerformanceLogger.d.ts.map