import { type Range } from 'semver';
import type { NamespaceInfo } from '../file-plugins/files/flowr-namespace-file';
export type PackageType = 'package' | 'system' | 'r';
/** what a source can contribute about a package; everything else a {@link Package} exposes is derived from these */
export type PackageOptions = {
    type?: PackageType;
    dependencies?: Package[];
    namespaceInfo?: NamespaceInfo;
    /** what this source declared for the package (a `DESCRIPTION` range, a lockfile pin, ...) */
    versionConstraints?: Range[];
    /** the concrete version the exports were resolved from (e.g. the package database entry), for information only */
    resolvedVersion?: string;
};
/**
 * A package as the sources describe it, accumulated with {@link addInfo}/{@link mergeInPlace}: only those may
 * change it, everything else reads. Its three version views run from the rawest to the most concrete:
 * - {@link versionConstraints}: what each source declared, unmerged.
 * - {@link derivedRange}: their intersection, whether or not a version can satisfy it (see
 *   {@link hasSatisfiableVersion}, and `inferredRange` on the dependencies context for the range that is only
 *   handed out once it is).
 * - {@link resolvedVersion}: the one concrete version the exports were read from.
 */
export declare class Package {
    readonly name: string;
    private _type?;
    private _dependencies?;
    private _namespaceInfo?;
    private _resolvedVersion?;
    private readonly _versionConstraints;
    /** the intersection of {@link versionConstraints}, computed on demand and dropped whenever one is added */
    private _derivedRange?;
    get type(): PackageType | undefined;
    get dependencies(): readonly Package[] | undefined;
    get namespaceInfo(): NamespaceInfo | undefined;
    get resolvedVersion(): string | undefined;
    get versionConstraints(): readonly Range[];
    get derivedRange(): Range | undefined;
    /** {@link derivedRange} if a source declared one, else the {@link resolvedVersion} the exports were read from. */
    get effectiveRange(): Range | undefined;
    constructor(info: {
        name: string;
    } & PackageOptions);
    /** Builds a package from a raw `NAMESPACE` body and its list of callable exports. */
    static fromConstants(name: string, namespace: string, callable: string[]): Package;
    has(name: string, className?: string): boolean;
    s3For(generic: string): string[];
    mergeInPlace(other: Package): void;
    addInfo({ type, dependencies, namespaceInfo, versionConstraints, resolvedVersion }: PackageOptions): void;
    /** The combined (intersected) range of all recorded constraints, or `undefined` if none were given. */
    private deriveRange;
    /** Whether some concrete version can satisfy every recorded constraint at once. */
    hasSatisfiableVersion(): boolean;
    static parsePkgVersionRange(constraint?: string, version?: string): Range | undefined;
    static functionIdentifier(dependency: string, func: string): string;
}