dsSyncrhMerge.addHelpNode(new HelpNode("Asynchronous merge", builtinHelp.getURLValue("mergeDataSourcesFeature_terminology_synchronousOrasynchronousMerge","asynchronousMerge")));
HelpNode dsSMerge = new HelpNode("Synchronous merge", builtinHelp.getURLValue("mergeDataSourcesFeature_terminology_synchronousOrasynchronousMerge","synchronousMerge"));
dsSyncrhMerge.addHelpNode(dsSMerge);
dsSMerge.addHelpNode(new HelpNode("0-order interpolation", builtinHelp.getURLValue("mergeDataSourcesFeature_zeroOrderInterpolation")));
dsSMerge.addHelpNode(new HelpNode("1-order interpolation", builtinHelp.getURLValue("mergeDataSourcesFeature_oneOrderInterpolation")));
HelpNode dsMergeGuide = new HelpNode("User guide for data merge", builtinHelp.getURLValue("mergeDataSourcesFeature_userGuide"));
dsMerge.addHelpNode(dsMergeGuide);