// Initialises a KeyIndex to return nodes with specific values
final int lookupId = cpg.addMethodref(KEY_INDEX_CLASS,
"containsID",
"(ILjava/lang/Object;)I");
final int lookupKey = cpg.addMethodref(KEY_INDEX_CLASS,
"containsKey",
"(ILjava/lang/Object;)I");
final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
"getNodeIdent",
"(I)"+NODE_SIG);