am 84fb43aa: Merge "Revert "Upgraded Guava to unmodified v14.0.1""

* commit '84fb43aa6a1e752487f2624055ff26b1b6b7c043':
  Revert "Upgraded Guava to unmodified v14.0.1"

1 files changed, 2 insertions, 6 deletions

diff --git a/guava/src/com/google/common/io/MultiInputStream.java b/guava/src/com/google/common/io/MultiInputStream.java
index 1902baf..f8f1a0b 100644
--- a/guava/src/com/google/common/io/MultiInputStream.java
+++ b/guava/src/com/google/common/io/MultiInputStream.java
@@ -16,14 +16,10 @@
 
 package com.google.common.io;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Iterator;
 
-import javax.annotation.Nullable;
-
 /**
  * An {@link InputStream} that concatenates multiple substreams. At most
  * one stream will be open at a time.
@@ -44,7 +40,7 @@ final class MultiInputStream extends InputStream {
   public MultiInputStream(
       Iterator<? extends InputSupplier<? extends InputStream>> it)
       throws IOException {
-    this.it = checkNotNull(it);
+    this.it = it;
     advance();
   }
 
@@ -91,7 +87,7 @@ final class MultiInputStream extends InputStream {
     return result;
   }
 
-  @Override public int read(@Nullable byte[] b, int off, int len) throws IOException {
+  @Override public int read(byte[] b, int off, int len) throws IOException {
     if (in == null) {
       return -1;
     }