Bug 3616 No icon for method parameters in code assist list (1GD014D)
Trigger code assist in a method with parameters so that a parameter name shows in the list. Note that the parameter name has no icon. NOTES:
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ResultCollector.java
buf.append(typeName);
		}
		JavaCompletionProposal proposal= createCompletion(start, end, new String(name), null, buf.toString(), relevance);
		proposal.setTriggerCharacters(VAR_TRIGGER);
		fVariables.add(proposal);
	}
	
	private String getParameterSignature(char[][] parameterTypeNames, char[][] parameterNames) {
		StringBuffer buf = new StringBuffer();
		if (parameterTypeNames != null) {
			for (int i = 0; i < parameterTypeNames.length; i++) {
				if (i > 0) {
					buf.append(',');
					buf.append(' ');
				}
				buf.append(parameterTypeNames[i]);
				if (parameterNames != null && parameterNames[i] != null) {
					buf.append(' ');
					buf.append(parameterNames[i]);
				}
			}
		}
		return buf.toString();
	}
	
	/*
	 * @see ICompletionRequestor#acceptMethod
	 */
	public void acceptMethod(char[] declaringTypePackageName, char[] declaringTypeName, char[] name,
		char[][] parameterPackageNames, char[][] parameterTypeNames, char[][] parameterNames,