import org.jf.dexlib2.immutable.ImmutableDexFile; //导入依赖的package包/类
private static DexFile getBasicClasses() {
    // fallbacks for some special classes that we assume are present
    return new ImmutableDexFile(ImmutableSet.of(
            new ReflectionClassDef(Class.class),
            new ReflectionClassDef(Cloneable.class),
            new ReflectionClassDef(Object.class),
            new ReflectionClassDef(Serializable.class),
            new ReflectionClassDef(String.class),
            new ReflectionClassDef(Throwable.class)));
}
 

import org.jf.dexlib2.immutable.ImmutableDexFile; //导入依赖的package包/类
private static ClassProvider getBasicClasses() {
    // fallbacks for some special classes that we assume are present
    return new DexClassProvider(new ImmutableDexFile(Opcodes.getDefault(), ImmutableSet.of(
            new ReflectionClassDef(Class.class),
            new ReflectionClassDef(Cloneable.class),
            new ReflectionClassDef(Object.class),
            new ReflectionClassDef(Serializable.class),
            new ReflectionClassDef(String.class),
            new ReflectionClassDef(Throwable.class))));
}
 

import org.jf.dexlib2.immutable.ImmutableDexFile; //导入依赖的package包/类
private static ClassProvider getBasicClasses() {
    // fallbacks for some special classes that we assume are present
    return new DexClassProvider(new ImmutableDexFile(Opcodes.forApi(19), ImmutableSet.of(
            new ReflectionClassDef(Class.class),
            new ReflectionClassDef(Cloneable.class),
            new ReflectionClassDef(Object.class),
            new ReflectionClassDef(Serializable.class),
            new ReflectionClassDef(String.class),
            new ReflectionClassDef(Throwable.class))));
}