public Procedure getProcedure(String name) {
    return procedures.get(name);
  }
Returns the procedure. This Procedure is a live instance so should not be modified but can be
inspected.
@param name Name of the procedure
@return Procedure or null if not present any more
hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java