Yuta HIGUCHI

minor fix

Change-Id: I3ab6daed28f911cef724edfc1dabdb3fdcd425b0
...@@ -55,7 +55,7 @@ public final class InternalMessage implements Message { ...@@ -55,7 +55,7 @@ public final class InternalMessage implements Message {
55 /** 55 /**
56 * Builder for InternalMessages. 56 * Builder for InternalMessages.
57 */ 57 */
58 - public static class Builder { 58 + public static final class Builder {
59 private InternalMessage message; 59 private InternalMessage message;
60 60
61 public Builder(NettyMessagingService messagingService) { 61 public Builder(NettyMessagingService messagingService) {
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