public ToStringBuilder append(Object obj) {
        style.append(buffer, null, obj, null);
        return this;
    }
<p>Append to the <code>toString</code> an <code>Object</code>
value.</p>

@param obj  the value to add to the <code>toString</code>
@return this
android/android_framework/base/src/main/java/lang3/builder/ToStringBuilder.java