public String getDateFieldFormat() {
        return this.dateFieldFormat;
    }
<p>
The format for date fields in the data source. If the field specified in <code>DataSourceFieldName</code> is a
date field you must specify the date format. If the field is not a date field, an exception is thrown.
</p>

@return The format for date fields in the data source. If the field specified in <code>DataSourceFieldName</code>
        is a date field you must specify the date format. If the field is not a date field, an exception is
        thrown.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/ConfluenceBlogToIndexFieldMapping.java