import type { ReadonlyDeep } from 'type-fest';
import type { Import } from '../imports/index.js';
interface Module {
    isUsed: boolean;
}
interface Package {
    name: string;
    dependants: Set<Package>;
    dependencies: Set<Package>;
    isUsed: boolean;
    modules: Map<string, Module>;
}
interface Summary {
    packagesTracked: number;
    packagesUsed: number;
    packagesUsage: number;
}
interface UsageJsonPackage {
    name: string;
    isUsed: boolean;
    dependants: {
        name: string;
        isUsed: boolean;
    }[];
    dependencies: {
        name: string;
        isUsed: boolean;
    }[];
    modulesImported: string[];
    modulesNotImported: string[];
}
interface UsageJson {
    summary: Summary;
    packages: UsageJsonPackage[];
}
declare class Usage {
    private readonly storage;
    constructor(packageNames: readonly string[]);
    init(): Promise<void>;
    getPackageNames(): string[];
    getPackage(packageName: string): Package | undefined;
    getModule(packageName: string, moduleName: string): Module | undefined;
    hasPackage(packageName: string): boolean;
    hasModule(packageName: string, moduleName: string): boolean;
    isPackageUsed(packageName: string): boolean;
    isModuleUsed(packageName: string, moduleName: string): boolean;
    setPackageUsed(packageName: string): void;
    addImports(imports: ReadonlyDeep<Import[]>): void;
    summary(): Summary;
    json(): UsageJson;
    print(): void;
}
export default Usage;
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