| ExtensionSearchParametersResourceProvider | 
 A FHIRRegistryResourceProvider that provides SearchParameter resources from tenant configuration files
 (extension-search-parameters.json by default). 
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| InclusionParameter | 
 Instances of this class encapsulate data elements related to the FHIR _include and _revinclude search result
 parameters. 
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| ParametersMap | 
 A multi-key map that indexes a set of search parameters by SearchParameter.code and
 SearchParameter.url / canonical (url + "|" + version) 
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| ParametersUtil | 
 Refactored the PopulateSearchParameterMap code, and marked class as final so there are no 'children' and inheritance
 which overwrites the behaviors of the buildInSearchParameters. 
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| QueryParameter | 
 general type of parameter. 
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| QueryParameterValue | 
 A search parameter value for a given search parameter that was passed in a search query 
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| SortParameter | 
 This class encapsulates data related to a FHIR sort parameter. 
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