User.options_for_search
# {
# :by_id_gte=>nil,
# :by_id_lte=>nil,
# :by_id_gt=>nil,
# :by_id_lt=>nil,
# :by_id=>nil,
# :by_id_match=>nil,
# :by_reset_password_sent_at_gte=>nil,
# :by_reset_password_sent_at_lte=>nil,
# :by_reset_password_sent_at_gt=>nil,
# :by_reset_password_sent_at_lt=>nil,
# :by_reset_password_sent_at=>nil,
# :by_reset_password_sent_at_match=>nil,
# :by_remember_created_at_gte=>nil,
# :by_remember_created_at_lte=>nil,
# :by_remember_created_at_gt=>nil,
# :by_remember_created_at_lt=>nil,
# :by_remember_created_at=>nil,
# :by_remember_created_at_match=>nil,
# :by_created_at_gte=>nil,
# :by_created_at_lte=>nil,
# :by_created_at_gt=>nil,
# :by_created_at_lt=>nil,
# :by_created_at=>nil,
# :by_created_at_match=>nil,
# :by_updated_at_gte=>nil,
# :by_updated_at_lte=>nil,
# :by_updated_at_gt=>nil,
# :by_updated_at_lt=>nil,
# :by_updated_at=>nil,
# :by_updated_at_match=>nil,
# :by_invitation_created_at_gte=>nil,
# :by_invitation_created_at_lte=>nil,
# :by_invitation_created_at_gt=>nil,
# :by_invitation_created_at_lt=>nil,
# :by_invitation_created_at=>nil,
# :by_invitation_created_at_match=>nil,
# :by_invitation_sent_at_gte=>nil,
# :by_invitation_sent_at_lte=>nil,
# :by_invitation_sent_at_gt=>nil,
# :by_invitation_sent_at_lt=>nil,
# :by_invitation_sent_at=>nil,
# :by_invitation_sent_at_match=>nil,
# :by_invitation_accepted_at_gte=>nil,
# :by_invitation_accepted_at_lte=>nil,
# :by_invitation_accepted_at_gt=>nil,
# :by_invitation_accepted_at_lt=>nil,
# :by_invitation_accepted_at=>nil,
# :by_invitation_accepted_at_match=>nil,
# :by_invitation_limit_gte=>nil,
# :by_invitation_limit_lte=>nil,
# :by_invitation_limit_gt=>nil,
# :by_invitation_limit_lt=>nil,
# :by_invitation_limit=>nil,
# :by_invitation_limit_match=>nil,
# :by_invitations_count_gte=>nil,
# :by_invitations_count_lte=>nil,
# :by_invitations_count_gt=>nil,
# :by_invitations_count_lt=>nil,
# :by_invitations_count=>nil,
# :by_invitations_count_match=>nil,
# :by_failed_attempts_gte=>nil,
# :by_failed_attempts_lte=>nil,
# :by_failed_attempts_gt=>nil,
# :by_failed_attempts_lt=>nil,
# :by_failed_attempts=>nil,
# :by_failed_attempts_match=>nil,
# :by_locked_at_gte=>nil,
# :by_locked_at_lte=>nil,
# :by_locked_at_gt=>nil,
# :by_locked_at_lt=>nil,
# :by_locked_at=>nil,
# :by_locked_at_match=>nil,
# :by_role_gte=>nil,
# :by_role_lte=>nil,
# :by_role_gt=>nil,
# :by_role_lt=>nil,
# :by_role=>nil,
# :by_role_match=>nil,
# :by_confirmed_at_gte=>nil,
# :by_confirmed_at_lte=>nil,
# :by_confirmed_at_gt=>nil,
# :by_confirmed_at_lt=>nil,
# :by_confirmed_at=>nil,
# :by_confirmed_at_match=>nil,
# :by_confirmation_sent_at_gte=>nil,
# :by_confirmation_sent_at_lte=>nil,
# :by_confirmation_sent_at_gt=>nil,
# :by_confirmation_sent_at_lt=>nil,
# :by_confirmation_sent_at=>nil,
# :by_confirmation_sent_at_match=>nil,
# :by_email_gte=>nil,
# :by_email_lte=>nil,
# :by_email_gt=>nil,
# :by_email_lt=>nil,
# :by_email=>nil,
# :by_email_match=>nil,
# :by_invited_by_type_gte=>nil,
# :by_invited_by_type_lte=>nil,
# :by_invited_by_type_gt=>nil,
# :by_invited_by_type_lt=>nil,
# :by_invited_by_type=>nil,
# :by_invited_by_type_match=>nil,
# :by_unconfirmed_email_gte=>nil,
# :by_unconfirmed_email_lte=>nil,
# :by_unconfirmed_email_gt=>nil,
# :by_unconfirmed_email_lt=>nil,
# :by_unconfirmed_email=>nil,
# :by_unconfirmed_email_match=>nil,
# :by_full_name_gte=>nil,
# :by_full_name_lte=>nil,
# :by_full_name_gt=>nil,
# :by_full_name_lt=>nil,
# :by_full_name=>nil,
# :by_full_name_match=>nil,
# :by_phone_number_gte=>nil,
# :by_phone_number_lte=>nil,
# :by_phone_number_gt=>nil,
# :by_phone_number_lt=>nil,
# :by_phone_number=>nil,
# :by_phone_number_match=>nil,
#
# :by_operator_organization=>"id",
# :by_work_shift=>"id",
# :by_scheduled_run=>"id",
# :by_ticket=>"id",
# :by_notification=>"id",
# :by_notification_token=>"id",
#
# :sort_by_id=>["asc", "desc"],
# :sort_by_email=>["asc", "desc"],
# :sort_by_reset_password_sent_at=>["asc", "desc"],
# :sort_by_remember_created_at=>["asc", "desc"],
# :sort_by_created_at=>["asc", "desc"],
# :sort_by_updated_at=>["asc", "desc"],
# :sort_by_invitation_created_at=>["asc", "desc"],
# :sort_by_invitation_sent_at=>["asc", "desc"],
# :sort_by_invitation_accepted_at=>["asc", "desc"],
# :sort_by_invitation_limit=>["asc", "desc"],
# :sort_by_invited_by_type=>["asc", "desc"],
# :sort_by_invitations_count=>["asc", "desc"],
# :sort_by_failed_attempts=>["asc", "desc"],
# :sort_by_locked_at=>["asc", "desc"],
# :sort_by_role=>["asc", "desc"],
# :sort_by_confirmed_at=>["asc", "desc"],
# :sort_by_confirmation_sent_at=>["asc", "desc"],
# :sort_by_unconfirmed_email=>["asc", "desc"],
# :sort_by_full_name=>["asc", "desc"],
# :sort_by_phone_number=>["asc", "desc"],
# :sort_by_payment_provider_details=>["asc", "desc"]
# }