Read an identifier from the stream.
Source position: classesh.inc line 1758
| public function TAbstractObjectReader.ReadIdent( | 
| ValueType: TValueType | 
| ):RawByteString; virtual; abstract; | 
ReadIdent is called by the streaming system if it expects to read an identifier of type ValueType from the stream after a call to ReadValue returned vaIdent. The identifier should be returned as a string. Note that in some cases the identifier does not actually have to be in the stream. The following table indicates which identifiers must actually be read:
| ValueType | Expected value | 
| vaIdent | Read from stream. | 
| vaNil | 'Nil'. This does not have to be read from the stream. | 
| vaFalse | 'False'. This does not have to be read from the stream. | 
| vaTrue | 'True'. This does not have to be read from the stream. | 
| vaNull | 'Null'. This does not have to be read from the stream. | 
| 
 | Read a float value from the stream. | |
| 
 | Read a date value from the stream. | |
| 
 | Read a single (real-type) value from the stream. | |
| 
 | Read an 8-bit integer from the stream. | |
| 
 | Read a 16-bit integer from the stream. | |
| 
 | Read a 32-bit integer from the stream. | |
| 
 | Read a 64-bit integer from the stream. | |
| 
 | Reads a set from the stream. | |
| 
 | Read a shortstring from the stream. | |
| 
 | Read a string of type StringType from the stream. |