// @RubyLevelMethod(name="intern", alias="to_sym")
public RubySymbol intern() {
if (this.sb_.length() <= 0) {
throw new RubyException(RubyRuntime.ArgumentErrorClass, "interning empty string");
}
RubyID id = RubyID.intern(this.sb_.toString());
return id.toSymbol();
}
public RubyID toID() {
return RubyID.intern(this.sb_.toString());
}