import com.sun.tools.javac.main.JavacOption.Option; //导入依赖的package包/类
static Option[] getOptions(OptionHelper helper, Set<OptionName> desired) {
    ListBuffer<Option> options = new ListBuffer<Option>();
    for (Option option : getAll(helper))
        if (desired.contains(option.getName()))
            options.append(option);
    return options.toArray(new Option[options.length()]);
}
 

import com.sun.tools.javac.main.JavacOption.Option; //导入依赖的package包/类
public Option getOption(String flag) {
    for (Option option : recognizedOptions) {
        if (option.matches(flag))
            return option;
    }
    return null;
}
 

import com.sun.tools.javac.main.JavacOption.Option; //导入依赖的package包/类
static Option[] getJavaCompilerOptions(OptionHelper helper) {
    return getOptions(helper, javacOptions);
}
 

import com.sun.tools.javac.main.JavacOption.Option; //导入依赖的package包/类
public static Option[] getJavacFileManagerOptions(OptionHelper helper) {
    return getOptions(helper, javacFileManagerOptions);
}
 

import com.sun.tools.javac.main.JavacOption.Option; //导入依赖的package包/类
public static Option[] getJavacToolOptions(OptionHelper helper) {
    return getOptions(helper, javacToolOptions);
}