docs: public Collection<ProposalResponse> sendInstallProposal(InstallProposalRequest installProposalRequest,
                                                              Collection<Peer> peers) throws ProposalException, InvalidArgumentException {
  
          clientCheck();
  
          installProposalRequest.setSubmitted();
          Channel systemChannel = Channel.newSystemChannel(this);
  
          return systemChannel.sendInstallProposal(installProposalRequest, peers);
  
      }