public SearchOperator parseProjectCommand(String value) {
   String valWithoutParantheses = ParseUtils.parseValueFromQuotingDelimeters(value);
   StringPatternMatcher patternMatcher = new StringPatternMatcher(valWithoutParantheses);
   return new ProjectSearchOperator(patternMatcher);
 }
 public SearchOperator parseProjectsCommand(String value) {
   String valWithoutParanthese = ParseUtils.parseValueFromQuotingDelimeters(value);
   return new ProjectsSearchOperator(valWithoutParanthese);
 }
 public SearchOperator parseDeltaSizeCommand(String value) {
   String valWithoutParantheses = ParseUtils.parseValueFromQuotingDelimeters(value);
   IntRelation rel = RelationLines.parse(valWithoutParantheses);
   return new DeltaSizeLinesSearchOperator(rel);
 }
 public SearchOperator parseOwnerCommand(String value) {
   String valWithoutParantheses = ParseUtils.parseValueFromQuotingDelimeters(value);
   return new OwnerSearchOperator(valWithoutParantheses);
 }