How to use the java.util.HashMap function in java

function(){
return this.b$["java.util.HashMap"].size();
});
Clazz.overrideMethod(c$,"clear",

function(key){
if(this.b$["java.util.HashMap"].containsKey(key)){
this.b$["java.util.HashMap"].remove(key);
return true;
}return false;
},"~O");
Clazz.overrideMethod(c$,"iterator",

function(a){
return this.b$["java.util.HashMap"].containsKey(a);
},"~O");
$_V(c$,"remove",

function(key){
if(this.b$["java.util.HashMap"].containsKey(key)){
this.b$["java.util.HashMap"].remove(key);
return true;
}return false;
},"~O");
Clazz.overrideMethod(c$,"iterator",

function(object){
return this.b$["java.util.HashMap"].containsValue(object);
},"~O");
$_V(c$,"size",

function(object){
return this.b$["java.util.HashMap"].containsValue(object);
},"~O");
Clazz.overrideMethod(c$,"size",

function(){
return new java.util.HashMap.HashMapIterator(((Clazz.isClassDefined("java.util.HashMap$2$1")?0:java.util.HashMap.$HashMap$2$1$()),Clazz.innerTypeInstance(java.util.HashMap$2$1,this,null)),this.b$["java.util.HashMap"]);
});
c$=Clazz.p0p();

function(){
this.b$["java.util.HashMap"].clear();
});
Clazz.overrideMethod(c$,"remove",

function(key){
if(this.b$["java.util.HashMap"].containsKey(key)){
this.b$["java.util.HashMap"].remove(key);
return true;
}return false;
},"~O");
$_V(c$,"iterator",

function(key){
if(this.b$["java.util.HashMap"].containsKey(key)){
this.b$["java.util.HashMap"].remove(key);
return true;
}return false;
},"~O");
Clazz.overrideMethod(c$,"iterator",