question: returns the result of interpretting the object as an instance of ` content ' . this implementation returns null ; returning a non-null result will terminate the switch . concode_field_sep MimePackage modelPackage concode_field_sep Object caseMimeMultipartRelated concode_elem_sep Object caseMimePart concode_elem_sep Object doSwitch concode_elem_sep Object doSwitch concode_elem_sep Object doSwitch concode_elem_sep Object caseMimeElementOwner concode_elem_sep Object caseMimeElement concode_elem_sep Object defaultCase
target: Object function ( MimeContent arg0 ) { return null ; }