class_docstr: Base class for DateMatcher Annotators
      
code: def setSourceLanguage(self, value):
      return self._set(sourceLanguage=value)
  
file_path: spark-nlp/python/sparknlp/annotator/matcher/date_matcher.py
imports: from sparknlp.common import *
label_desc: Use image node_id 7 for calling the DateMatcherUtils obj's underlying member method code with example usage: obj.setSourceLanguage(value) and returns: self