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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/@sentry/tracing/esm/browser/metrics.d.ts

import { SpanContext } from '@sentry/types';
import { Span } from '../span';
import { Transaction } from '../transaction';
/** Class tracking metrics  */
export declare class MetricsInstrumentation {
    private _measurements;
    private _performanceCursor;
    constructor();
    /** Add performance related spans to a transaction */
    addPerformanceEntries(transaction: Transaction): void;
    /** Starts tracking the Cumulative Layout Shift on the current page. */
    private _trackCLS;
    /**
     * Capture the information of the user agent.
     */
    private _trackNavigator;
    /** Starts tracking the Largest Contentful Paint on the current page. */
    private _trackLCP;
    /** Starts tracking the First Input Delay on the current page. */
    private _trackFID;
    /** Starts tracking the Time to First Byte on the current page. */
    private _trackTTFB;
}
export interface ResourceEntry extends Record<string, unknown> {
    initiatorType?: string;
    transferSize?: number;
    encodedBodySize?: number;
    decodedBodySize?: number;
}
/** Create resource-related spans */
export declare function addResourceSpans(transaction: Transaction, entry: ResourceEntry, resourceName: string, startTime: number, duration: number, timeOrigin: number): number | undefined;
/**
 * Helper function to start child on transactions. This function will make sure that the transaction will
 * use the start timestamp of the created child span if it is earlier than the transactions actual
 * start timestamp.
 */
export declare function _startChild(transaction: Transaction, { startTimestamp, ...ctx }: SpanContext): Span;
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