text: """Generic builder."""
  
  from regolith.helpers import a_manurevhelper as a_manurev
  from regolith.helpers import a_proprevhelper as a_proprev
  from regolith.helpers import a_grppub_readlisthelper as a_gprl
  from regolith.helpers import a_projectumhelper as a_projectum
  from regolith.helpers import a_proposalhelper as a_proposal
  from regolith.helpers import a_expensehelper as a_expense
  from regolith.helpers import a_presentationhelper as a_presentation
  from regolith.helpers import l_milestoneshelper as l_milestone
  from regolith.helpers import l_progressreporthelper as l_progress
  from regolith.helpers import l_projectahelper as l_projecta
  from regolith.helpers import l_grantshelper as l_grants
  from regolith.helpers import l_membershelper as l_members
  from regolith.helpers import l_contactshelper as l_contacts
  from regolith.helpers import u_logurlhelper as u_logurl
  from regolith.helpers import u_milestonehelper as u_milestone
  from regolith.helpers import makeappointmentshelper as makeappointments
  from regolith.helpers import u_contacthelper as u_contact
  from regolith.helpers import l_todohelper as l_todo
  from regolith.helpers import u_finishprumhelper as u_finishprum
  from regolith.helpers import l_generalhelper as l_general
  from regolith.helpers import u_institutionshelper as u_institutions
  from regolith.helpers import a_todohelper as a_todo
  from regolith.helpers import v_meetingshelper as v_meetings
  from regolith.helpers import f_todohelper as f_todo
  from regolith.helpers import u_todohelper as u_todo
  
  HELPERS = {
      "a_expense": (a_expense.ExpenseAdderHelper, a_expense.subparser),
      "a_grppub_readlist": (a_gprl.GrpPubReadListAdderHelper, a_gprl.subparser),
      "a_manurev": (a_manurev.ManuRevAdderHelper, a_manurev.subparser),
      "a_projectum": (a_projectum.ProjectumAdderHelper, a_projectum.subparser),
      "a_proposal": (a_proposal.ProposalAdderHelper, a_proposal.subparser),
      "a_proprev": (a_proprev.PropRevAdderHelper, a_proprev.subparser),
      "a_todo": (a_todo.TodoAdderHelper, a_todo.subparser),
      "f_prum": (u_finishprum.FinishprumUpdaterHelper, u_finishprum.subparser),
      "f_todo": (f_todo.TodoFinisherHelper, f_todo.subparser),
      "l_contacts": (l_contacts.ContactsListerHelper, l_contacts.subparser),
      "a_expense": (a_expense.ExpenseAdderHelper, a_expense.subparser),
      "a_presentation": (a_presentation.PresentationAdderHelper, a_presentation.subparser),
      "l_milestones": (l_milestone.MilestonesListerHelper, l_milestone.subparser),
      "l_progress": (l_progress.ProgressReportHelper, l_progress.subparser),
      "l_projecta": (l_projecta.ProjectaListerHelper, l_projecta.subparser),
      "l_grants": (l_grants.GrantsListerHelper, l_grants.subparser),
      "l_members": (l_members.MembersListerHelper, l_members.subparser),
      "l_milestones": (l_milestone.MilestonesListerHelper, l_milestone.subparser),
      "l_projecta": (l_projecta.ProjectaListerHelper, l_projecta.subparser),
      "l_todo": (l_todo.TodoListerHelper, l_todo.subparser),
      "lister": (l_general.GeneralListerHelper, l_general.subparser),
      "makeappointments": (makeappointments.MakeAppointmentsHelper, makeappointments.subparser),
      "u_contact": (u_contact.ContactUpdaterHelper, u_contact.subparser),
      "u_institution": (u_institutions.InstitutionsUpdaterHelper, u_institutions.subparser),
      "u_logurl": (u_logurl.LogUrlUpdaterHelper, u_logurl.subparser),
      "u_milestone": (u_milestone.MilestoneUpdaterHelper, u_milestone.subparser),
      "v_meetings": (v_meetings.MeetingsValidatorHelper, v_meetings.subparser),
      "u_todo": (u_todo.TodoUpdaterHelper, u_todo.subparser),
  }
  
  
  def helpr(btype, rc):
      """Returns helper of the appropriate type."""
      return HELPERS[btype][0](rc)
  