Container for customization declarations.
We use JAXB ourselves and parse this object from "xs:annotation".
author: Kohsuke Kawaguchi (kohsuke,kawaguchi@sun.com)
Gets the location of this annotation in the source file.
If the declarations are in fact specified in the sourcecode, a non-null valid object will be returned.If this BindInfo is generated internally by XJC, thennull will be returned.