question: check if we have a stream renderer for the desired ctype . concode_field_sep HtmlRenderer _default concode_elem_sep Map<String,MarkupRenderer<InputStream>> _renderers concode_field_sep MarkupRenderer<InputStream> getRenderer concode_elem_sep HtmlRenderer getDefaultRenderer concode_elem_sep void addRenderer
target: boolean function ( final String arg0 ) { return ( arg0 == null ) ? false : _renderers . containsKey ( arg0 ) ; }