public static void registerGlobalSpanTagHandler(SpanTagHandler handler){
  HANDLERS.add(handler);
  HANDLERS_BY_CHARACTER_STYLE.put(handler.getSupportedCharacterStyle(),handler);
}

public static void registerGlobalSpanTagHandler ( SpanTagHandler handler ) { HANDLERS . add ( handler ) ; HANDLERS_BY_CHARACTER_STYLE . put ( handler . getSupportedCharacterStyle ( ) , handler ) ; }
registers a process - scope spantaghandler . this will * not properly override any existing spantaghandler for the same span / tag combination ; use spantagroster for those . but , if you have * additional * spans and tags to handle , and you want to do so globally , register them here .
