Tidy up

src/main/java/org/jsoup/internal/ControllableInputStream.java

@@ -5,7 +5,6 @@
 import org.jspecify.annotations.Nullable;
 
 import java.io.BufferedInputStream;
-import java.io.ByteArrayOutputStream;
 import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;

src/main/java/org/jsoup/internal/SimpleBufferedInput.java

@@ -11,15 +11,17 @@
 
 /**
  A simple implemented of a buffered input stream, in which we can control the byte[] buffer to recycle it. Not safe for
- use between threads; no sync or locks. The buffer is borrowed on initial demand in fill. */
+ use between threads; no sync or locks. The buffer is borrowed on initial demand in fill.
+ @since 1.18.2
+ */
 class SimpleBufferedInput extends FilterInputStream {
     static final int BufferSize = DefaultBufferSize;
     static final SoftPool<byte[]> BufferPool = new SoftPool<>(() -> new byte[BufferSize]);
 
-    byte @Nullable [] byteBuf; // the byte buffer; recycled via SoftPool. Created in fill if required
-    int bufPos;
-    int bufLength;
-    int bufMark = -1;
+    private byte @Nullable [] byteBuf; // the byte buffer; recycled via SoftPool. Created in fill if required
+    private int bufPos;
+    private int bufLength;
+    private int bufMark = -1;
 
     SimpleBufferedInput(InputStream in) {
         super(in);
@@ -107,6 +109,7 @@ public int available() throws IOException {
         return in.available();
     }
 
+    @SuppressWarnings("NonSynchronizedMethodOverridesSynchronizedMethod") // explicitly not synced
     @Override
     public void mark(int readlimit) {
         if (readlimit > BufferSize) {
@@ -115,6 +118,7 @@ public void mark(int readlimit) {
         bufMark = bufPos;
     }
 
+    @SuppressWarnings("NonSynchronizedMethodOverridesSynchronizedMethod") // explicitly not synced
     @Override
     public void reset() throws IOException {
         if (bufMark < 0)

src/main/java/org/jsoup/internal/SoftPool.java

@@ -10,7 +10,7 @@ expensive objects (buffers, etc.) between invocations (the ThreadLocal), but als
  they are no longer in use.
  <p>Like a ThreadLocal, should be stored in a static field.</p>
  @param <T> the type of object to pool.
- @since 1.18.1
+ @since 1.18.2
  */
 public class SoftPool<T> {
     final ThreadLocal<SoftReference<Stack<T>>> threadLocalStack;