public ReflectionToStringBuilder setExcludeFieldNames(String... excludeFieldNamesParam) {
        if (excludeFieldNamesParam == null) {
            this.excludeFieldNames = null;
        } else {
            //clone and remove nulls
            this.excludeFieldNames = toNoNullStringArray(excludeFieldNamesParam);
            Arrays.sort(this.excludeFieldNames);
        }
        return this;
    }
Sets the field names to exclude.

@param excludeFieldNamesParam
           The excludeFieldNames to excluding from toString or <code>null</code>.
@return <code>this</code>
android/android_framework/base/src/main/java/lang3/builder/ReflectionToStringBuilder.java