Here is a list of all files with brief descriptions:

AggregateFunction.java
AuthenticationRuntimeException.java
ClientAction.java
Common.java
Configuration.java
Core.java
CoreAction.java
CoreException.java
CoreRuntimeException.java
DataValidationRuntimeException.java
EmailModule.java
ExportManagerModule.java
HandlerConstants.java
HashInfo.java
IBatch.java
IChangeBatch.java
IContext.java
ICoreAction.java
ICreateBatch.java
IDataColumnSchema.java
IDataRow.java
IDataSet.java
IDataSetParameter.java
IDataSetResult.java
IDataTable.java
IDataTableSchema.java
IDataType.java
IDataValidation.java
IDataValidationFeedback.java
IExcelCell.java
IExcelCellStyle.java
IExcelColumn.java
IExcelGrid.java
IFeedback.java
IGetRequest.java
IIdentifierGetRequest.java
ILanguage.java
IMendixIdentifier.java
IMendixObject.java
IMendixObjectMember.java
IMetaAssociation.java
IMetaAssociationSchema.java
IMetaEnumeration.java
IMetaEnumValue.java
IMetaObject.java
IMetaObjectAccess.java
IMetaObjectIndex.java
IMetaPrimitive.java
IOQLTextGetRequest.java
IParameterMap.java
IPDFCell.java
IPDFCellStyle.java
IPDFColumn.java
IPDFGrid.java
IPDFImageCell.java
IPDFImageCellStyle.java
IPDFTextCell.java
IPDFTextCellStyle.java
IProfiler.java
IRemoveBatch.java
IRequestData.java
IRetrievalSchema.java
ISession.java
ISMTPConfiguration.java
ISortExpression.java
ITextGetRequest.java
IUser.java
IWebserviceResponse.java
IXPathTextGetRequest.java
LinkedDualHashBidiMap.java
MendixAutoNumber.java
MendixBinary.java
MendixBoolean.java
MendixCurrency.java
MendixDateTime.java
MendixEnum.java
MendixException.java
MendixFloat.java
MendixHashString.java
MendixInteger.java
MendixLong.java
MendixRuntimeException.java
MendixString.java
PasswordStrengthVerifier.java
ReadOnlyList.java
ResultType.java
SMTPConfiguration.java
UserAction.java
UserActionListener.java
UserException.java
WebserviceException.java
WebserviceModule.java