@startuml
start
:All resources available for Bulk Export;
:Exclude unauthorized resources
(based on OAuth scopes and business logic);
if (group export) then (yes)
  :Exclude resources for patients outside group;
else (no)
endif
if (`_type` parameter?) then (yes)
  :Exclude resource of types not listed in `_type` parameter;
else (no)
endif
if (`_since` parameter?) then (yes)
  :Exclude resources updated prior to `_since` timestamp*;
else (no)
endif
if (`_typeFilter` parameter?) then (yes)
  repeat :for each resource type in export;
  if (has `_typeFilter` criteria) then (yes)
    :Exclude resources of this resource type 
    that don't meet criteria in at least one 
    of the `_typeFilter` parameters;
  else (no)
    :Retain all resources for this resource type;
  endif
  repeat while (additional resource types in export?);
endif
if (`includeAssociatedData` parameter) then (yes)
  :Add associated resources for resources in export;
else (no)
endif
:Add other related resources to provide context to those in export;
:Output resources;
stop
@enduml