| AstAttachedFileNode | The AstAttachedFileNode type is used to model related files that are attached to a SQL Server Integration Services package. |
| AstFileColumnNode | AstFileColumnNode is the base type for all SQL Server Integration Services dataflow task columns that originate from a source file. |
| AstFileFormatNode | AstFileFormatNode is the base type for all flat file definition formats in the Biml framework. |
| AstFlatFileColumnNode | The AstFlatFileColumnNode type corresponds directly to a column that is defined in a flat file format definition in SQL Server Integration Services. |
| AstFlatFileFormatNode | The AstFlatFileFormatNode type corresponds directly to a flat file format definition that can be consumed by a dataflow flat file source in a SQL Server Integration Services dataflow. |
| AstRawFileFormatNode | The AstRawFileFormatNode type corresponds directly to a raw file format definition that can be consumed by a dataflow raw file source or a lookup cache in a SQL Server Integration Services dataflow. |