import com.sun.mirror.util.Types; //导入依赖的package包/类
private TypeMirror processDeclaredType(DeclaredType type, Types apTypes) {
    if (TypeModeler.isSubtype(type.getDeclaration(), collectionDecl) ||
        TypeModeler.isSubtype(type.getDeclaration(), mapDecl)) {
        Collection<TypeMirror> args = type.getActualTypeArguments();
        TypeMirror[] safeArgs = new TypeMirror[args.size()];
        int i = 0;
        for (TypeMirror arg : args) {
            safeArgs[i++]= apply(arg, apTypes);
        }
        return apTypes.getDeclaredType(type.getDeclaration(), safeArgs);
    }
    return apTypes.getErasure(type);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
public <T> TypeMirror erasure(TypeMirror t) {
    Types tu = env.getTypeUtils();
    t = tu.getErasure(t);
    if(t instanceof DeclaredType) {
        DeclaredType dt = (DeclaredType)t;
        if(!dt.getActualTypeArguments().isEmpty())
        return tu.getDeclaredType(dt.getDeclaration());
    }
    return t;
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onArrayType(ArrayType type, Types apTypes) {
    return apTypes.getErasure(type);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onPrimitiveType(PrimitiveType type, Types apTypes) {
    return apTypes.getErasure(type);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onClassType(ClassType type, Types apTypes) {
    return processDeclaredType(type, apTypes);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onInterfaceType(InterfaceType type, Types apTypes) {
    return processDeclaredType(type, apTypes);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onTypeVariable(TypeVariable type, Types apTypes) {
    return apTypes.getErasure(type);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onVoidType(VoidType type, Types apTypes) {
    return type;
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
protected TypeMirror onWildcard(WildcardType type, Types apTypes) {
    return apTypes.getErasure(type);
}
 

import com.sun.mirror.util.Types; //导入依赖的package包/类
public static boolean isSubtype(AnnotationProcessorEnvironment env, TypeDeclaration d1, TypeDeclaration d2) {
    Types typeUtils = env.getTypeUtils();
    return typeUtils.isSubtype(typeUtils.getDeclaredType(d1),typeUtils.getDeclaredType(d2));
}