Bug 15604 Promote Fill arguments on method completion to a real preference
It is still in work in progress but it has become an established feature by now. Promote the preference to the code assist preference page.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferencesConstants.java
public static final String APPEARANCE_METHOD_RETURNTYPE= AppearancePreferencePage.PREF_METHOD_RETURNTYPE;
	/**
	 * Enable / Disable showing the override indicators. Boolean value.
	 */
	public static final String APPEARANCE_OVERRIDE_INDICATOR= AppearancePreferencePage.PREF_OVERRIDE_INDICATOR;
	/**
	 * Package name compression pattern. String value.
	 */	
	public static final String APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW= AppearancePreferencePage.PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW;
	/**
	 * Enable / Disable showing the package name compression. Boolean value.
	 */	
	public static final String APPEARANCE_COMPRESS_PACKAGE_NAMES= AppearancePreferencePage.PREF_COMPRESS_PACKAGE_NAMES;
	/**
	 * Enable / Disable removing prefixes when creating getters. Boolean value.
	 */	
	public static final String CODEGEN_USE_GETTERSETTER_PREFIX= CodeGenerationPreferencePage.PREF_USE_GETTERSETTER_PREFIX;
	/**
	 * List of prefixes. String value; comma separated list
	 */	
	public static final String CODEGEN_GETTERSETTER_PREFIX= CodeGenerationPreferencePage.PREF_GETTERSETTER_PREFIX;
	/**
	 * Enable / Disable removing suffixes when creating getters. Boolean value.
	 */	
	public static final String CODEGEN_USE_GETTERSETTER_SUFFIX= CodeGenerationPreferencePage.PREF_USE_GETTERSETTER_SUFFIX;
	/**
	 * List of suffixes. String value; comma separated list.
	 */	
	public static final String CODEGEN_GETTERSETTER_SUFFIX= CodeGenerationPreferencePage.PREF_USE_GETTERSETTER_SUFFIX;
	/**