/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import type { Logger, Package } from "@fluidframework/build-tools";
export declare class LayerGraph {
    private readonly groupNodes;
    private readonly layerNodeMap;
    private readonly packageNodeMap;
    /**
     * List of all layers ordered such that all dependencies for a given layer appear earlier in the list
     */
    private readonly orderedLayers;
    private dirMapping;
    private readonly logger?;
    private createPackageNode;
    private constructor();
    private initializeLayers;
    private initializePackages;
    private initializePackageMatching;
    private initializeDependencies;
    private forEachDependencies;
    verify(): boolean;
    generateDotGraph(): string;
    private padArraysToSameLength;
    /**
     * Walk the layers in order such that a layer's dependencies are visited before that layer.
     * In doing so, we can also validate that the layer dependency graph has no cycles.
     */
    private traverseLayerDependencyGraph;
    /**
     * Generate a markdown-formated list of layers listing their packages and dependencies
     */
    generatePackageLayersMarkdown(repoRoot: string): string;
    static load(root: string, packages: Package[], info?: string, logger?: Logger): LayerGraph;
}
//# sourceMappingURL=layerGraph.d.ts.map