return UNKNOWN;
	public static int getPlaceholderType(ASTNode existingNode) {		if (existingNode instanceof Expression) {			return EXPRESSION;		} else if (existingNode instanceof Statement) {			if (existingNode.getNodeType() == ASTNode.BLOCK) {				return BLOCK;			} else {				return STATEMENT;			}		} else if (existingNode instanceof TypeDeclaration) {			return TYPE_DECLARATION;		} else if (existingNode instanceof MethodDeclaration) {			return METHOD_DECLARATION;		} else if (existingNode instanceof FieldDeclaration) {			return FIELD_DECLARATION;		} else if (existingNode instanceof Initializer) {			return INITIALIZER;							} else if (existingNode instanceof SingleVariableDeclaration) {			return SINGLEVAR_DECLARATION;		} else if (existingNode instanceof VariableDeclarationFragment) {			return VAR_DECLARATION_FRAGMENT;		} else if (existingNode instanceof Type) {			return TYPE;		} else if (existingNode instanceof Javadoc) {			return JAVADOC;						} else if (existingNode instanceof PackageDeclaration) {			return PACKAGE_DECLARATION;						} else if (existingNode instanceof ImportDeclaration) {			return IMPORT_DECLARATION;						} else {			return UNKNOWN;		}	}