bazel syntax: rename ASTNode to Node and SyntaxTreeVisitor to NodeVisitor

PiperOrigin-RevId: 269332155
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/SliceExpression.java b/src/main/java/com/google/devtools/build/lib/syntax/SliceExpression.java
index 4fbd4b9..f2f3da7 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/SliceExpression.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/SliceExpression.java
@@ -105,7 +105,7 @@
   }
 
   @Override
-  public void accept(SyntaxTreeVisitor visitor) {
+  public void accept(NodeVisitor visitor) {
     visitor.visit(this);
   }