code: @Deprecated
      @JsonProperty("from")
      public void setFrom(String from) throws IllegalArgumentException {
          if (messagingServiceSID != null) {
              throw new IllegalArgumentException("You must specify either `from` or `messagingServiceSID`, but not both");
          }
          this.from = from;
      }
docs: Setter for the Twilio From number.
  
  @param from the from number to set.
  @throws IllegalArgumentException when both `from` and `messagingServiceSID` are set
  @deprecated use the constructor instead