def set_bearer_token(token)
      FHIR.logger.info 'Configuring the client to use Bearer Token authentication.'
      value = "Bearer #{token}"
      @security_headers = { 'Authorization' => value }
      @use_oauth2_auth = false
      @use_basic_auth = true
      @client = RestClient
      @client.proxy = proxy unless proxy.nil?
      @client
    end
def set_bearer_token(token)
      FHIR.logger.info 'Configuring the client to use Bearer Token authentication.'
      value = "Bearer #{token}"
      @security_headers = { 'Authorization' => value }
      @use_oauth2_auth = false
      @use_basic_auth = true
      @client = RestClient
      @client.proxy = proxy unless proxy.nil?
      @client
    end
Set the client to use Bearer Token Authentication