public Builder expirationTimeInMs(long expirationTimeInMs) {
      this.expirationTimeInMs = expirationTimeInMs;
      return this;
    }
Sets expirationTime in ms of the {@link MessageInfo} to build.
@param expirationTimeInMs the expirationTime to set
@return This builder.
ambry-api/src/main/java/com/github/ambry/store/MessageInfo.java