def get_tokens(credentials = {})
      creds = credentials.empty? ? @credentials : credentials
      auth_header = { Authorization: base_64_credentials(creds) }
      http_get('/secret-store/v1/tokens', auth_header)
    end
def get_tokens(credentials = {})
      creds = credentials.empty? ? @credentials : credentials
      auth_header = { Authorization: base_64_credentials(creds) }
      http_get('/secret-store/v1/tokens', auth_header)
    end
Create a new Secret Store client
 @param entrypoint [String] base url of Hawkular - e.g http://localhost:8080
 @param credentials [Hash{String=>String}] Hash of username, password
 @param options [Hash{String=>String}] Additional rest client options
 Retrieve the tenant id for the passed credentials.
 If no credentials are passed, the ones from the constructor are used
 @param credentials [Hash{String=>String}] Hash of username, password, token(optional)
 @return [String] tenant id