apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/ConfigsImportService.java/NamespaceImportData/setIgnoreConflictNamespace
class NamespaceImportData:    public void setIgnoreConflictNamespace(boolean ignoreConflictNamespace) {
      this.ignoreConflictNamespace = ignoreConflictNamespace;
    }