code: public TLSBuilder withKeyStore(final String keyStoreType, final InputStream keyStoreStream, final char[] keyStorePassword)
      {
          customKeyStore = true;
          this.keyStoreType = keyStoreType;
          this.keyStoreStream = keyStoreStream;
          this.keyStorePassword = keyStorePassword;
  
          return this;
      }
docs: Sets keystore