Add @SuppressWarnings("unchecked")

src/main/java/org/apache/commons/lang3/function/FailableBiConsumer.java

@@ -43,6 +43,7 @@ public interface FailableBiConsumer<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableBiConsumer<T, U, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableBiFunction.java

@@ -46,6 +46,7 @@ public interface FailableBiFunction<T, U, R, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, R, E extends Throwable> FailableBiFunction<T, U, R, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableBiPredicate.java

@@ -47,6 +47,7 @@ public interface FailableBiPredicate<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableBiPredicate<T, U, E> falsePredicate() {
         return FALSE;
     }
@@ -59,6 +60,7 @@ public interface FailableBiPredicate<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableBiPredicate<T, U, E> truePredicate() {
         return TRUE;
     }

src/main/java/org/apache/commons/lang3/function/FailableConsumer.java

@@ -46,6 +46,7 @@ public interface FailableConsumer<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableConsumer<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableDoubleConsumer.java

@@ -39,6 +39,7 @@ public interface FailableDoubleConsumer<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableDoubleConsumer<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableDoubleFunction.java

@@ -40,6 +40,7 @@ public interface FailableDoubleFunction<R, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <R, E extends Throwable> FailableDoubleFunction<R, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableDoublePredicate.java

@@ -43,7 +43,8 @@ public interface FailableDoublePredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <E extends Throwable> FailableDoublePredicate<E> falsePredicate() {
+   @SuppressWarnings("unchecked")
+   static <E extends Throwable> FailableDoublePredicate<E> falsePredicate() {
         return FALSE;
     }
 
@@ -53,7 +54,8 @@ public interface FailableDoublePredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <E extends Throwable> FailableDoublePredicate<E> truePredicate() {
+   @SuppressWarnings("unchecked")
+   static <E extends Throwable> FailableDoublePredicate<E> truePredicate() {
         return TRUE;
     }
 

src/main/java/org/apache/commons/lang3/function/FailableDoubleToIntFunction.java

@@ -38,7 +38,8 @@ public interface FailableDoubleToIntFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <E extends Throwable> FailableDoubleToIntFunction<E> nop() {
+   @SuppressWarnings("unchecked")
+   static <E extends Throwable> FailableDoubleToIntFunction<E> nop() {
         return NOP;
     }
 

src/main/java/org/apache/commons/lang3/function/FailableDoubleToLongFunction.java

@@ -38,6 +38,7 @@ public interface FailableDoubleToLongFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableDoubleToLongFunction<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableDoubleUnaryOperator.java

@@ -48,6 +48,7 @@ public interface FailableDoubleUnaryOperator<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableDoubleUnaryOperator<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableFunction.java

@@ -54,6 +54,7 @@ public interface FailableFunction<T, R, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, R, E extends Throwable> FailableFunction<T, R, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntConsumer.java

@@ -39,6 +39,7 @@ public interface FailableIntConsumer<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntConsumer<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntFunction.java

@@ -40,6 +40,7 @@ public interface FailableIntFunction<R, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <R, E extends Throwable> FailableIntFunction<R, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntPredicate.java

@@ -43,6 +43,7 @@ public interface FailableIntPredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntPredicate<E> falsePredicate() {
         return FALSE;
     }
@@ -53,6 +54,7 @@ public interface FailableIntPredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntPredicate<E> truePredicate() {
         return TRUE;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntToDoubleFunction.java

@@ -38,6 +38,7 @@ public interface FailableIntToDoubleFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntToDoubleFunction<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntToLongFunction.java

@@ -38,6 +38,7 @@ public interface FailableIntToLongFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntToLongFunction<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableIntUnaryOperator.java

@@ -48,6 +48,7 @@ public interface FailableIntUnaryOperator<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableIntUnaryOperator<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableLongConsumer.java

@@ -39,6 +39,7 @@ public interface FailableLongConsumer<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableLongConsumer<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableLongFunction.java

@@ -40,7 +40,8 @@ public interface FailableLongFunction<R, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <R, E extends Throwable> FailableLongFunction<R, E> nop() {
+    @SuppressWarnings("unchecked")
+   static <R, E extends Throwable> FailableLongFunction<R, E> nop() {
         return NOP;
     }
 

src/main/java/org/apache/commons/lang3/function/FailableLongPredicate.java

@@ -43,7 +43,8 @@ public interface FailableLongPredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <E extends Throwable> FailableLongPredicate<E> falsePredicate() {
+    @SuppressWarnings("unchecked")
+   static <E extends Throwable> FailableLongPredicate<E> falsePredicate() {
         return FALSE;
     }
 
@@ -53,6 +54,7 @@ public interface FailableLongPredicate<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableLongPredicate<E> truePredicate() {
         return TRUE;
     }

src/main/java/org/apache/commons/lang3/function/FailableLongToDoubleFunction.java

@@ -38,6 +38,7 @@ public interface FailableLongToDoubleFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableLongToDoubleFunction<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableLongToIntFunction.java

@@ -38,6 +38,7 @@ public interface FailableLongToIntFunction<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <E extends Throwable> FailableLongToIntFunction<E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableLongUnaryOperator.java

@@ -48,7 +48,8 @@ public interface FailableLongUnaryOperator<E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <E extends Throwable> FailableLongUnaryOperator<E> nop() {
+    @SuppressWarnings("unchecked")
+   static <E extends Throwable> FailableLongUnaryOperator<E> nop() {
         return NOP;
     }
 

src/main/java/org/apache/commons/lang3/function/FailableObjDoubleConsumer.java

@@ -40,7 +40,8 @@ public interface FailableObjDoubleConsumer<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
-    static <T, E extends Throwable> FailableObjDoubleConsumer<T, E> nop() {
+   @SuppressWarnings("unchecked")
+   static <T, E extends Throwable> FailableObjDoubleConsumer<T, E> nop() {
         return NOP;
     }
 

src/main/java/org/apache/commons/lang3/function/FailableObjIntConsumer.java

@@ -40,6 +40,7 @@ public interface FailableObjIntConsumer<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableObjIntConsumer<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableObjLongConsumer.java

@@ -40,6 +40,7 @@ public interface FailableObjLongConsumer<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableObjLongConsumer<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailablePredicate.java

@@ -45,6 +45,7 @@ public interface FailablePredicate<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailablePredicate<T, E> falsePredicate() {
         return FALSE;
     }
@@ -56,6 +57,7 @@ public interface FailablePredicate<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailablePredicate<T, E> truePredicate() {
         return TRUE;
     }

src/main/java/org/apache/commons/lang3/function/FailableToDoubleBiFunction.java

@@ -42,6 +42,7 @@ public interface FailableToDoubleBiFunction<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableToDoubleBiFunction<T, U, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableToDoubleFunction.java

@@ -40,6 +40,7 @@ public interface FailableToDoubleFunction<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableToDoubleFunction<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableToIntBiFunction.java

@@ -42,6 +42,7 @@ public interface FailableToIntBiFunction<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableToIntBiFunction<T, U, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableToIntFunction.java

@@ -40,6 +40,7 @@ public interface FailableToIntFunction<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableToIntFunction<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableToLongBiFunction.java

@@ -42,6 +42,7 @@ public interface FailableToLongBiFunction<T, U, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, U, E extends Throwable> FailableToLongBiFunction<T, U, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/function/FailableToLongFunction.java

@@ -40,6 +40,7 @@ public interface FailableToLongFunction<T, E extends Throwable> {
      * @param <E> Thrown exception.
      * @return The NOP singleton.
      */
+    @SuppressWarnings("unchecked")
     static <T, E extends Throwable> FailableToLongFunction<T, E> nop() {
         return NOP;
     }

src/main/java/org/apache/commons/lang3/tuple/ImmutablePair.java

@@ -94,6 +94,7 @@ public final class ImmutablePair<L, R> extends Pair<L, R> {
      * @return an immutable pair of nulls.
      * @since 3.6
      */
+    @SuppressWarnings("unchecked")
     public static <L, R> ImmutablePair<L, R> nullPair() {
         return NULL;
     }

src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java

@@ -80,6 +80,7 @@ public final class ImmutableTriple<L, M, R> extends Triple<L, M, R> {
      * @return an immutable triple of nulls.
      * @since 3.6
      */
+    @SuppressWarnings("unchecked")
     public static <L, M, R> ImmutableTriple<L, M, R> nullTriple() {
         return NULL;
     }