export interface RegistryPackageSpec {
    type: 'tag' | 'version' | 'range';
    name: string;
    fetchSpec: string;
    normalizedBareSpecifier?: string;
}
export declare function parseBareSpecifier(bareSpecifier: string, alias: string | undefined, defaultTag: string, registry: string): RegistryPackageSpec | null;
export interface JsrRegistryPackageSpec extends RegistryPackageSpec {
    jsrPkgName: string;
}
export declare function parseJsrSpecifierToRegistryPackageSpec(rawSpecifier: string, alias: string | undefined, defaultTag: string): JsrRegistryPackageSpec | null;