OMOPHubClient           OMOPHub API Client
fhir_resolve            Resolve a FHIR Coding to an OMOP standard
                        concept
fhir_resolve_batch      Batch-resolve FHIR Codings
fhir_resolve_codeable_concept
                        Resolve a FHIR CodeableConcept with vocabulary
                        preference
get_api_key             Get OMOPHub API Key
has_api_key             Check if API Key is Available
omophub_fhir_url        OMOPHub FHIR Terminology Service URL
set_api_key             Set OMOPHub API Key
