import type { DuplicateDetectorPluginOptions } from "@rnx-kit/types-plugin-duplicates-checker";
import type { ReadOnlyGraph } from "metro";
import type { MixedSourceMap } from "metro-source-map";
import * as nodefs from "node:fs";
import type { ModuleMap } from "./gatherModules.ts";
export type Result = {
    banned: number;
    duplicates: number;
};
export declare const defaultOptions: DuplicateDetectorPluginOptions;
export declare function countCopies(module: ModuleMap[string]): number;
export declare function printModule(module: ModuleMap[string]): void;
export declare function detectDuplicatePackages(bundledModules: ModuleMap, { ignoredModules, bannedModules }: DuplicateDetectorPluginOptions): Result;
export declare function checkForDuplicateDependencies(graph: ReadOnlyGraph, options?: DuplicateDetectorPluginOptions, 
/** @internal */ fs?: typeof nodefs): Result;
export declare function checkForDuplicatePackages(sourceMap: MixedSourceMap, options?: DuplicateDetectorPluginOptions, 
/** @internal */ fs?: typeof nodefs): Result;
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