def bootstrap
      types = VariablePredicates::RUBY_CLASSES.values

      (BOOTSTRAP_CONSTS | types).each do |name|
        load_constant(name)
      end

      BOOTSTRAP_GVARS.each do |gvar|
        definitions.define_global_variable(gvar)
      end
    end
def bootstrap
      types = VariablePredicates::RUBY_CLASSES.values

      (BOOTSTRAP_CONSTS | types).each do |name|
        load_constant(name)
      end

      BOOTSTRAP_GVARS.each do |gvar|
        definitions.define_global_variable(gvar)
      end
    end
Bootstraps various core definitions.