question: get the number of parts . concode_field_sep Map<String,PduPart> mPartMapByContentLocation concode_elem_sep Map<String,PduPart> mPartMapByFileName concode_elem_sep Vector<PduPart> mParts concode_elem_sep Map<String,PduPart> mPartMapByContentId concode_elem_sep Map<String,PduPart> mPartMapByName concode_field_sep void putPartToMaps concode_elem_sep void removeAll concode_elem_sep PduPart getPartByContentLocation concode_elem_sep PduPart getPartByContentId concode_elem_sep int getPartIndex concode_elem_sep PduPart getPart concode_elem_sep boolean addPart concode_elem_sep void addPart concode_elem_sep PduPart getPartByName concode_elem_sep PduPart getPartByFileName concode_elem_sep PduPart removePart
target: int function ( ) { return mParts . size ( ) ; }