}
	borrow.ReturnAll()

	// Signature is valid, lets validate the claims for
	// other fields such as expiry etc.
	return claims.Valid()
}

// base64DecodeBytes returns the bytes represented by the base64 string s.
func base64DecodeBytes(b []byte, buf []byte) (int, error) {
	return base64.RawURLEncoding.Decode(buf, b)
}

// ParseUnverifiedMapClaims - WARNING: Don't use this method unless you know what you're doing