Method safeFloat

java/lib/src/main/java/io/github/ccxt/types/TypeHelper.java:14–16

(Object obj, Object key)

    private TypeHelper() {}

    public static Double safeFloat(Object obj, Object key) {
        return SafeMethods.SafeFloat(obj, key);
    }

    public static String safeString(Object obj, Object key) {
        Object res = SafeMethods.SafeString(obj, key);