[WIP] fix some warnings

Signed-off-by: David Thompson <davthomp@redhat.com>

org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/dom/ASTConverter_RecordPattern_Test.java

@@ -180,7 +180,7 @@ public void testGuardedPattern() throws CoreException {
 		SwitchCase caseInteger = (SwitchCase) statements.get(0);
 		Expression guardedPattern = (Expression)caseInteger.expressions().get(0);
 		assertEquals("Guarded Pattern", ASTNode.GUARDED_PATTERN, guardedPattern.getNodeType());
-		Pattern pattern = ((GuardedPattern)guardedPattern).getPattern();
+		Pattern pattern = ((GuardedPattern)guardedPattern).patterns().get(0);
 		SingleVariableDeclaration patternVariable = ((TypePattern)pattern).getPatternVariable();
 		assertEquals("Type Pattern Integer", "Integer", patternVariable.getType().toString());
 		SingleVariableDeclaration patternVariable2 = ((TypePattern)pattern).patternVariables().get(0);
@@ -193,7 +193,7 @@ public void testGuardedPattern() throws CoreException {
 		SwitchCase caseString = (SwitchCase) statements.get(2);
 		guardedPattern = (Expression)caseString.expressions().get(0);
 		assertEquals("Guarded Pattern", guardedPattern.getNodeType(), ASTNode.GUARDED_PATTERN);
-		pattern = ((GuardedPattern)guardedPattern).getPattern();
+		pattern = ((GuardedPattern)guardedPattern).patterns().get(0);
 		patternVariable = ((TypePattern)pattern).getPatternVariable();
 		assertEquals("Type Pattern String", "String", patternVariable.getType().toString());
 		patternVariable2 = ((TypePattern)pattern).patternVariables().get(0);
@@ -566,6 +566,6 @@ public void testRecordPattern004() throws CoreException {
 		SwitchCase caseStmt = (SwitchCase) switchStatements.get(0);
 		assertEquals("incorrect type", ASTNode.GUARDED_PATTERN, ((Expression)caseStmt.expressions().get(0)).getNodeType());
 		GuardedPattern guardedPattern = (GuardedPattern)caseStmt.expressions().get(0);
-		assertEquals("There should be 1 Record Pattern", ASTNode.RECORD_PATTERN , guardedPattern.getPattern().getNodeType());
+		assertEquals("There should be 1 Record Pattern", ASTNode.RECORD_PATTERN , guardedPattern.patterns().get(0).getNodeType());
 	}
 }

org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/ASTMatcher.java

@@ -1108,7 +1108,7 @@ public boolean match(GuardedPattern node, Object other) {
 			return false;
 		}
 		GuardedPattern o = (GuardedPattern) other;
-		return  safeSubtreeMatch(node.getPattern(), o.getPattern())
+		return  safeSubtreeListMatch(node.patterns(), o.patterns())
 				&& safeSubtreeMatch(node.getExpression(), o.getExpression());
 	}
 

org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/GuardedPattern.java

@@ -31,7 +31,7 @@
  * @noreference This class is not intended to be referenced by clients.
  */
 
-@SuppressWarnings("rawtypes")
+@SuppressWarnings({"rawtypes", "unchecked"})
 public class GuardedPattern extends Pattern{
 
 	GuardedPattern(AST ast) {
@@ -249,7 +249,7 @@ public Pattern getPattern() {
 	 * @noreference This method is not intended to be referenced by clients as it is a part of Java preview feature.
 	 * @since 3.37
 	 */
-	public List patterns() {
+	public List<Pattern> patterns() {
 		supportedOnlyIn21();
 		return this.patterns;
 	}

org.eclipse.jdt.core/formatter/org/eclipse/jdt/internal/formatter/SpacePreparator.java

@@ -476,7 +476,7 @@ public boolean visit(RecordPattern node) {
 
 	@Override
 	public boolean visit(GuardedPattern node) {
-		handleTokenAfter(node.getPattern(), TokenNameRestrictedIdentifierWhen, true, true);
+		handleCommas(node.patterns(), false, true);
 		return true;
 	}