import class in typescript is throwing an error

Trying to import class in the file and it is throwing an error it might be quick fix i would appreciate the help.

class.ts

export class Cache {
    private cache: CCache;
    public async getCache(tokenId: string): Promise<any> {
        // add logic here 

        return memberInfo;

    }

}

otherFile.ts

    import { Cache } from "./class.ts";
        public before(args: any) {
        let specialtyCache: any;
        specialtyCache =  new Cache().getCache(args.token);
}

Error

Constructor of class 'Cache' is private and only accessible within the class declaration.ts