import { JsonSourceFile } from './json-source-file';
import { FileMeta, SourceFile } from './source-file';
import { ResolveResult } from './paths';
type ConditionKey = 'node-addons' | 'node' | 'import' | 'require' | 'module-sync' | 'default' | (string & Record<never, never>);
type ExportTarget = string | null | ExportTarget[] | {
    [K in ConditionKey]?: ExportTarget;
};
type Exports = string | Record<string, ExportTarget>;
type Imports = Record<string, ExportTarget>;
type Schema = {
    name?: string;
    version?: string;
    license?: string;
    main?: string;
    engines?: Record<string, string>;
    exports?: Exports;
    imports?: Imports;
    dependencies?: Record<string, string>;
    devDependencies?: Record<string, string>;
    private?: boolean;
    workspaces?: string[];
};
export interface EngineSupportResult {
    engine: string;
    requirements?: string;
    incompatible: boolean;
}
export declare class PackageJsonFile {
    #private;
    static FILENAME: string;
    readonly id: number;
    jsonFile: JsonSourceFile<Schema>;
    basePath: string;
    mainPaths: string[];
    private constructor();
    hasExports(): boolean;
    resolveExportPath(exportPath: string, conditions: ConditionKey[]): ResolveResult;
    get meta(): FileMeta;
    get name(): string | undefined;
    get version(): string | undefined;
    get dependencies(): Record<string, string> | undefined;
    get devDependencies(): Record<string, string> | undefined;
    get engines(): Record<string, string> | undefined;
    get workspaces(): string[] | undefined;
    supportsEngine(engine: string, version: string): EngineSupportResult;
    static make(filePath: string, data: Schema): PackageJsonFile;
    static loadFromJsonSourceFile(jsonFile: JsonSourceFile<Schema>): Promise<PackageJsonFile | undefined>;
    static loadFromSourceFile(sourceFile: SourceFile): Promise<PackageJsonFile | undefined>;
    static loadFromFilePath(filePath: string): Promise<PackageJsonFile | undefined>;
    static filePath(dirPath: string): string;
    upsertDependencies(dependencies: Record<string, string>): boolean;
    upsertDevDependencies(dependencies: Record<string, string>): boolean;
    toJSON(): string;
}
export {};