'Declaration
Public MustInherit Class ExpressionEngine Implements C1.CalcEngine.IEngineExpressionItems, C1.CalcEngine.IEngineExtended, C1.CalcEngine.ISupportAliases, C1.CalcEngine.ISupportCustomFunctions
public abstract class ExpressionEngine : C1.CalcEngine.IEngineExpressionItems, C1.CalcEngine.IEngineExtended, C1.CalcEngine.ISupportAliases, C1.CalcEngine.ISupportCustomFunctions