import type { ParsedVersion } from "./types.js";
export declare function parseVersion(versionString: string): ParsedVersion;
/**
 * Resolve the lowest version guaranteed by one supported npm-style specifier.
 *
 * The detector deliberately rejects tags, protocols, disjunctions, and
 * upper-bound-only ranges because none of them identifies a safe capability
 * baseline without a package-manager resolver.
 */
export declare function resolveReactDependencyVersion(specifier: string): string;
export declare function isReact17(major: number): boolean;
export declare function isReact18(major: number): boolean;
export declare function isReact19(major: number, _version: string): boolean;
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