void function ( ) { mask = null ; }
clears the content mask . concode_field_sep String patterns concode_elem_sep Collection<Pattern> compiledPatterns concode_elem_sep String mask concode_field_sep String getMask concode_elem_sep boolean filter concode_elem_sep void setPatterns concode_elem_sep boolean process concode_elem_sep void setMask concode_elem_sep void clearPatterns concode_elem_sep String getPatterns concode_elem_sep boolean isMaskingContent concode_elem_sep boolean mask