src/main/java/com/arpnetworking/steno/Logger.java
static @Nullable Object[] createValuesFromArray(
            @Nullable final Object[] array, 
            @Nullable final Object... values) {
        if (isNullOrEmpty(values)) {
            return array;
        }
        if (isNullOrEmpty(array)) {
            return values;
        }
        final Object[] combined = Arrays.copyOf(values, array.length + values.length);
        for (int i = 0; i < array.length; ++i) {
            combined[values.length + i] = array[i];
        }
        return combined;
    }
static @Nullable Object[] createValuesFromArray(
            @Nullable final Object[] array, 
            @Nullable final Object... values) {
        if (isNullOrEmpty(values)) {
            return array;
        }
        if (isNullOrEmpty(array)) {
            return values;
        }
        final Object[] combined = Arrays.copyOf(values, array.length + values.length);
        for (int i = 0; i < array.length; ++i) {
            combined[values.length + i] = array[i];
        }
        return combined;
    }
/* package private