Method accept

alts/src/test/java/io/grpc/alts/internal/TsiTest.java:134–137

(ByteBuf buf)

        Collections.singletonList(plaintextBuffer),
        new Consumer<ByteBuf>() {
          @Override
          public void accept(ByteBuf buf) {
            protectOut.add(buf);
          }
        },
        alloc);
    assertThat(protectOut.size()).isEqualTo(1);