/*
KEYWORD Liberty_DELAY_MODEL = single_value_annotation {
  CONTEXT = LIBRARY ;
}
SEMANTICS Liberty_DELAY_MODEL {
  VALUES { generic_cmos table_lookup cmos2 piecewise_cmos dcm polynomial } 
}
*/
KEYWORD Liberty_PROCESS = arithmetic_model ;
SEMANTICS Liberty_PROCESS {
  VALUETYPE = number ;
  CONTEXT { LIBRARY SUBLIBRARY WIRE CELL VECTOR TEMPLATE CLASS HEADER }
}
KEYWORD Liberty_OPERATING_CLASS = single_value_annotation {
  CONTEXT { LIBRARY SUBLIBRARY WIRE CELL VECTOR CLASS }
}
SEMANTICS Liberty_OPERATING_CLASS = single_value_annotation {
  REFERENCETYPE = CLASS ;
}
KEYWORD Liberty_TREE_TYPE = single_value_annotation {
  CONTEXT = CLASS ;
}
SEMANTICS Liberty_TREE_TYPE {
  VALUES { best_case_tree balanced_tree worst_case_tree } 
}
KEYWORD Liberty_SCALING_CLASS = single_value_annotation {
  CONTEXT { LIBRARY SUBLIBRARY WIRE CELL VECTOR CLASS }
}
SEMANTICS Liberty_SCALING_CLASS {
  REFERENCETYPE = CLASS ;
}