docs: public void setClient(HTTPClientPolicy client) {
          if (this.clientSidePolicy != null) {
              this.clientSidePolicy.removePropertyChangeListener(this);
          }
          this.clientSidePolicyCalced = true;
          this.clientSidePolicy = client;
          clientSidePolicy.removePropertyChangeListener(this); //make sure we aren't added twice
          clientSidePolicy.addPropertyChangeListener(this);
          endpointInfo.setProperty("org.apache.cxf.ws.addressing.replyto", client.getDecoupledEndpoint());
      }