question: removes all mediadescriptors concode_field_sep SessionNameField s concode_elem_sep ConnectionField c concode_elem_sep TimeField t concode_elem_sep Vector<AttributeField> av concode_elem_sep SdpField v concode_elem_sep Vector<MediaDescriptor> media concode_elem_sep OriginField o concode_field_sep void init concode_elem_sep Vector getMediaDescriptors concode_elem_sep Vector<AttributeField> getAttributes concode_elem_sep Vector<AttributeField> getAttributes concode_elem_sep OriginField getOrigin concode_elem_sep MediaDescriptor getMediaDescriptor concode_elem_sep SessionDescriptor setOrigin concode_elem_sep TimeField getTime concode_elem_sep SessionDescriptor addMediaDescriptors concode_elem_sep SessionDescriptor addAttributes concode_elem_sep boolean hasAttribute concode_elem_sep SessionDescriptor setConnection concode_elem_sep SessionDescriptor removeMediaDescriptor concode_elem_sep ConnectionField getConnection concode_elem_sep SessionDescriptor addMedia concode_elem_sep SessionDescriptor addMedia concode_elem_sep AttributeField getAttribute concode_elem_sep SessionDescriptor addAttribute concode_elem_sep SessionNameField getSessionName concode_elem_sep SessionDescriptor addMediaDescriptor concode_elem_sep String toString concode_elem_sep SessionDescriptor removeAttributes concode_elem_sep SessionDescriptor setSessionName concode_elem_sep SessionDescriptor setTime
target: SessionDescriptor function ( ) { media . setSize ( 0 ) ; return this ; }