package_obj_spec

package_obj_spec 
      ::= 
      variable_declaration 
      | subtype_declaration 
      | cursor_declaration 
      | cursor_spec 
      | exception_declaration 
      | record_declaration 
      | plsql_table_declaration 
      | procedure_spec 
      | reference_pragma 
      | function_spec 

This rule is call by

-> package_spec