/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import type { StatsCompilation } from "webpack";
/**
 * A map of bundles friendly names to their relevant metrics
 */
export type BundleSummaries = Map<string, BundleMetricSet>;
/**
 * A collection of all the relevant size metrics for a given bundle. A bundle can have one or more named metrics that
 * could map to a single chunk or a collection chunks.
 */
export type BundleMetricSet = Map<string, BundleMetric>;
/**
 * A description of the size of a particular part of a bundle
 */
export interface BundleMetric {
    parsedSize: number;
}
/**
 * A comparison of two bundles
 */
export interface BundleComparison {
    bundleName: string;
    commonBundleMetrics: {
        [key: string]: {
            baseline: BundleMetric;
            compare: BundleMetric;
        };
    };
}
/**
 * The formatted message string of a bundle comparison along with the
 * comparison data itself
 */
export type BundleComparisonResult = {
    message: string;
    comparison: BundleComparison[] | undefined;
};
/**
 * Functions used to process a webpack stats file and produce a set of metrics. Some processors may choose
 * to work off a bundle specific config file. Note that these config files are optional, so not all bundles
 * may have one associated with them.
 */
export type WebpackStatsProcessor = (stats: StatsCompilation, config: BundleBuddyConfig | undefined) => BundleMetricSet | undefined;
/**
 * Defines a specific chunk in a bundle to be analyzed by this tool.
 */
export interface ChunkToAnalyze {
    name: string;
}
/**
 * A configuration file that can be used to run customized analysis for a bundle
 */
export interface BundleBuddyConfig {
    /**
     * A array of chunk to be analyzed by bundle buddy
     */
    chunksToAnalyze: ChunkToAnalyze[];
}
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