None of the methods in this class were even being used, so deleted the whole thing.

src/lombok/javac/apt/PKG.java

@@ -1,56 +0,0 @@
-package lombok.javac.apt;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-import lombok.Lombok;
-
-
-class PKG {
-	private PKG() {}
-	
-	static boolean isInstanceOf(Object o, String className) {
-		if ( o == null ) return false;
-		return isInstanceOf(o.getClass(), className);
-	}
-	
-	static boolean isInstanceOf(Class<?> c, String className) {
-		if ( c == Object.class || c == null ) return false;
-		
-		if ( c.getName().equals(className) ) return true;
-		
-		if ( isInstanceOf(c.getSuperclass(), className) ) return true;
-		for ( Class<?> iface : c.getInterfaces() ) {
-			if ( isInstanceOf(iface, className) ) return true;
-		}
-		
-		return false;
-	}
-	
-	static byte[] readResource(String name) {
-		return readResource(PKG.class.getClassLoader(), name);
-	}
-	
-	static byte[] readResource(ClassLoader loader, String name) {
-		InputStream in = loader.getResourceAsStream(name);
-		if ( in == null ) throw Lombok.sneakyThrow(new IOException("Not found: " + name));
-		
-		try {
-			return readStream(in);
-		} catch (IOException e) {
-			throw Lombok.sneakyThrow(e);
-		}
-	}
-	
-	static byte[] readStream(InputStream in) throws IOException {
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		byte[] b = new byte[65536];
-		while ( true ) {
-			int r = in.read(b);
-			if ( r == -1 ) break;
-			if ( r > 0 ) baos.write(b, 0, r);
-		}
-		return baos.toByteArray();
-	}
-}