void importProto(String path)
    {
        try
        {
            addImportedProto(loader.load(path, this));
        }
        catch (Exception e)
        {
            throw new RuntimeException(e);
        }
    }
Returns the java package name that was configured in the proto. Note that {@link #getJavaPackageName()} will have
the same value as this, if the compiler options did not have entries that override it.
protostuff-parser/src/main/java/io/protostuff/parser/Proto.java