chore: make RangeSpecFunction#apply package-private (#3028)

Author: BenWhitehead

google-cloud-storage/src/main/java/com/google/cloud/storage/AndThenRangeSpecFunction.java

@@ -31,7 +31,7 @@ final class AndThenRangeSpecFunction extends RangeSpecFunction {
   }
 
   @Override
-  public RangeSpec apply(long offset, @Nullable RangeSpec prev) {
+  RangeSpec apply(long offset, @Nullable RangeSpec prev) {
     return second.apply(offset, first.apply(offset, prev));
   }
 

google-cloud-storage/src/main/java/com/google/cloud/storage/LinearExponentialRangeSpecFunction.java

@@ -118,7 +118,7 @@ public LinearExponentialRangeSpecFunction withMaxLengthScalar(double maxLengthSc
    * maxLengthScalar}
    */
   @Override
-  public RangeSpec apply(long offset, RangeSpec prev) {
+  RangeSpec apply(long offset, RangeSpec prev) {
     if (prev == null) {
       return RangeSpec.of(offset, initialMaxLength);
     }

google-cloud-storage/src/main/java/com/google/cloud/storage/MaxLengthRangeSpecFunction.java

@@ -78,12 +78,11 @@ public MaxLengthRangeSpecFunction withMaxLength(long maxLength) {
    * this.maxLength}.
    */
   @Override
-  public RangeSpec apply(long offset, @Nullable RangeSpec prev) {
+  RangeSpec apply(long offset, @Nullable RangeSpec prev) {
     if (prev == null || !prev.maxLength().isPresent()) {
       return RangeSpec.of(offset, maxLength);
     }
     long limit = prev.maxLength().getAsLong();
-    // TODO: add special handling for 0
     return RangeSpec.of(offset, Math.min(limit, maxLength));
   }