protected void setSummaryObjectStartText(String summaryObjectStartText) {
        if (summaryObjectStartText == null) {
            summaryObjectStartText = "";
        }
        this.summaryObjectStartText = summaryObjectStartText;
    }
<p>Sets the start text to output when an <code>Object</code> is
output in summary mode.</p>

<p>This is output before the size value.</p>

<p><code>null</code> is accepted, but will be converted to
an empty String.</p>

@param summaryObjectStartText  the new start of summary text
android/android_framework/base/src/main/java/lang3/builder/ToStringStyle.java