private String getSignature(char[] name, char[][] parameterTypes) {
private String getSignature(MethodDeclaration node) {
	private String getSignature(char[] name, char[][] parameterTypes) {		StringBuffer buffer= new StringBuffer();		buffer.append(name);		buffer.append('(');		if (parameterTypes != null) {			for (int p= 0; p < parameterTypes.length; p++) {				String parameterType= new String(parameterTypes[p]);								int pos= parameterType.lastIndexOf('.');				if (pos >= 0)					parameterType= parameterType.substring(pos+1);								buffer.append(parameterType);				if (p < parameterTypes.length-1)					buffer.append(", "); //$NON-NLS-1$			}		}		buffer.append(')');		return buffer.toString();	}