Customizing the metamodel : Keywords for USRPROPS : SIZE_RESTRICT*
  
SIZE_RESTRICT*
SIZE_RESTRICT_ALLOW_RESIZE
Registers that a symbol type can be resized (this is intended to be used to allow resizing where resizing has been disallowed through the DISALLOW keyword).
SIZE_RESTRICT_DISALLOW_RESIZE
Registers that a symbol type already allowed to be resized cannot be resized.