aws_sdk_omics/operation/
list_workflows.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `ListWorkflows`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct ListWorkflows;
6impl ListWorkflows {
7    /// Creates a new `ListWorkflows`
8    pub fn new() -> Self {
9        Self
10    }
11    pub(crate) async fn orchestrate(
12        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
13        input: crate::operation::list_workflows::ListWorkflowsInput,
14    ) -> ::std::result::Result<
15        crate::operation::list_workflows::ListWorkflowsOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::list_workflows::ListWorkflowsError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<
22            ::aws_smithy_runtime_api::client::interceptors::context::Error,
23            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
24        >| {
25            err.map_service_error(|err| {
26                err.downcast::<crate::operation::list_workflows::ListWorkflowsError>()
27                    .expect("correct error type")
28            })
29        };
30        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
31            .await
32            .map_err(map_err)?;
33        let output = context.finalize().map_err(map_err)?;
34        ::std::result::Result::Ok(
35            output
36                .downcast::<crate::operation::list_workflows::ListWorkflowsOutput>()
37                .expect("correct output type"),
38        )
39    }
40
41    pub(crate) async fn orchestrate_with_stop_point(
42        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
43        input: crate::operation::list_workflows::ListWorkflowsInput,
44        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
45    ) -> ::std::result::Result<
46        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
47        ::aws_smithy_runtime_api::client::result::SdkError<
48            ::aws_smithy_runtime_api::client::interceptors::context::Error,
49            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
50        >,
51    > {
52        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
53        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point("omics", "ListWorkflows", input, runtime_plugins, stop_point).await
54    }
55
56    pub(crate) fn operation_runtime_plugins(
57        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
58        client_config: &crate::config::Config,
59        config_override: ::std::option::Option<crate::config::Builder>,
60    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
61        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
62        runtime_plugins = runtime_plugins.with_client_plugin(crate::auth_plugin::DefaultAuthOptionsPlugin::new(vec![
63            ::aws_runtime::auth::sigv4::SCHEME_ID,
64        ]));
65        if let ::std::option::Option::Some(config_override) = config_override {
66            for plugin in config_override.runtime_plugins.iter().cloned() {
67                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
68            }
69            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
70                config_override,
71                client_config.config.clone(),
72                &client_config.runtime_components,
73            ));
74        }
75        runtime_plugins
76    }
77}
78impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for ListWorkflows {
79    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
80        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("ListWorkflows");
81
82        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
83            ListWorkflowsRequestSerializer,
84        ));
85        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
86            ListWorkflowsResponseDeserializer,
87        ));
88
89        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
90            ::aws_smithy_runtime_api::client::auth::static_resolver::StaticAuthSchemeOptionResolverParams::new(),
91        ));
92
93        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new("ListWorkflows", "omics"));
94        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
95        signing_options.double_uri_encode = true;
96        signing_options.content_sha256_header = false;
97        signing_options.normalize_uri_path = true;
98        signing_options.payload_override = None;
99
100        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
101            signing_options,
102            ..::std::default::Default::default()
103        });
104
105        ::std::option::Option::Some(cfg.freeze())
106    }
107
108    fn runtime_components(
109        &self,
110        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
111    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
112        #[allow(unused_mut)]
113        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("ListWorkflows")
114            .with_interceptor(::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default())
115            .with_interceptor(ListWorkflowsEndpointParamsInterceptor)
116            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
117                crate::operation::list_workflows::ListWorkflowsError,
118            >::new())
119            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
120                crate::operation::list_workflows::ListWorkflowsError,
121            >::new())
122            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
123                crate::operation::list_workflows::ListWorkflowsError,
124            >::new());
125
126        ::std::borrow::Cow::Owned(rcb)
127    }
128}
129
130#[derive(Debug)]
131struct ListWorkflowsResponseDeserializer;
132impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for ListWorkflowsResponseDeserializer {
133    fn deserialize_nonstreaming(
134        &self,
135        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
136    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
137        let (success, status) = (response.status().is_success(), response.status().as_u16());
138        let headers = response.headers();
139        let body = response.body().bytes().expect("body loaded");
140        #[allow(unused_mut)]
141        let mut force_error = false;
142        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
143        let parse_result = if !success && status != 200 || force_error {
144            crate::protocol_serde::shape_list_workflows::de_list_workflows_http_error(status, headers, body)
145        } else {
146            crate::protocol_serde::shape_list_workflows::de_list_workflows_http_response(status, headers, body)
147        };
148        crate::protocol_serde::type_erase_result(parse_result)
149    }
150}
151#[derive(Debug)]
152struct ListWorkflowsRequestSerializer;
153impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for ListWorkflowsRequestSerializer {
154    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
155    fn serialize_input(
156        &self,
157        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
158        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
159    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
160        let input = input
161            .downcast::<crate::operation::list_workflows::ListWorkflowsInput>()
162            .expect("correct type");
163        let _header_serialization_settings = _cfg
164            .load::<crate::serialization_settings::HeaderSerializationSettings>()
165            .cloned()
166            .unwrap_or_default();
167        let mut request_builder = {
168            fn uri_base(
169                _input: &crate::operation::list_workflows::ListWorkflowsInput,
170                output: &mut ::std::string::String,
171            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
172                use ::std::fmt::Write as _;
173                ::std::write!(output, "/workflow").expect("formatting should succeed");
174                ::std::result::Result::Ok(())
175            }
176            fn uri_query(
177                _input: &crate::operation::list_workflows::ListWorkflowsInput,
178                mut output: &mut ::std::string::String,
179            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
180                let mut query = ::aws_smithy_http::query::Writer::new(output);
181                if let ::std::option::Option::Some(inner_1) = &_input.r#type {
182                    {
183                        query.push_kv("type", &::aws_smithy_http::query::fmt_string(inner_1));
184                    }
185                }
186                if let ::std::option::Option::Some(inner_2) = &_input.name {
187                    {
188                        query.push_kv("name", &::aws_smithy_http::query::fmt_string(inner_2));
189                    }
190                }
191                if let ::std::option::Option::Some(inner_3) = &_input.starting_token {
192                    {
193                        query.push_kv("startingToken", &::aws_smithy_http::query::fmt_string(inner_3));
194                    }
195                }
196                if let ::std::option::Option::Some(inner_4) = &_input.max_results {
197                    {
198                        query.push_kv("maxResults", ::aws_smithy_types::primitive::Encoder::from(*inner_4).encode());
199                    }
200                }
201                ::std::result::Result::Ok(())
202            }
203            #[allow(clippy::unnecessary_wraps)]
204            fn update_http_builder(
205                input: &crate::operation::list_workflows::ListWorkflowsInput,
206                builder: ::http::request::Builder,
207            ) -> ::std::result::Result<::http::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
208                let mut uri = ::std::string::String::new();
209                uri_base(input, &mut uri)?;
210                uri_query(input, &mut uri)?;
211                ::std::result::Result::Ok(builder.method("GET").uri(uri))
212            }
213            let mut builder = update_http_builder(&input, ::http::request::Builder::new())?;
214            builder
215        };
216        let body = ::aws_smithy_types::body::SdkBody::from("");
217
218        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
219    }
220}
221#[derive(Debug)]
222struct ListWorkflowsEndpointParamsInterceptor;
223
224impl ::aws_smithy_runtime_api::client::interceptors::Intercept for ListWorkflowsEndpointParamsInterceptor {
225    fn name(&self) -> &'static str {
226        "ListWorkflowsEndpointParamsInterceptor"
227    }
228
229    fn read_before_execution(
230        &self,
231        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
232            '_,
233            ::aws_smithy_runtime_api::client::interceptors::context::Input,
234            ::aws_smithy_runtime_api::client::interceptors::context::Output,
235            ::aws_smithy_runtime_api::client::interceptors::context::Error,
236        >,
237        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
238    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
239        let _input = context
240            .input()
241            .downcast_ref::<ListWorkflowsInput>()
242            .ok_or("failed to downcast to ListWorkflowsInput")?;
243
244        let endpoint_prefix = ::aws_smithy_runtime_api::client::endpoint::EndpointPrefix::new("workflows-").map_err(|err| {
245            ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint prefix could not be built", err)
246        })?;
247        cfg.interceptor_state().store_put(endpoint_prefix);
248
249        let params = crate::config::endpoint::Params::builder()
250            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
251            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
252            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
253            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
254            .build()
255            .map_err(|err| {
256                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
257            })?;
258        cfg.interceptor_state()
259            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
260        ::std::result::Result::Ok(())
261    }
262}
263
264// The get_* functions below are generated from JMESPath expressions in the
265// operationContextParams trait. They target the operation's input shape.
266
267/// Error type for the `ListWorkflowsError` operation.
268#[non_exhaustive]
269#[derive(::std::fmt::Debug)]
270pub enum ListWorkflowsError {
271    /// <p>You do not have sufficient access to perform this action.</p>
272    AccessDeniedException(crate::types::error::AccessDeniedException),
273    /// <p>The request cannot be applied to the target resource in its current state.</p>
274    ConflictException(crate::types::error::ConflictException),
275    /// <p>An unexpected error occurred. Try the request again.</p>
276    InternalServerException(crate::types::error::InternalServerException),
277    /// <p>The request timed out.</p>
278    RequestTimeoutException(crate::types::error::RequestTimeoutException),
279    /// <p>The target resource was not found in the current Region.</p>
280    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
281    /// <p>The request exceeds a service quota.</p>
282    ServiceQuotaExceededException(crate::types::error::ServiceQuotaExceededException),
283    /// <p>The request was denied due to request throttling.</p>
284    ThrottlingException(crate::types::error::ThrottlingException),
285    /// <p>The input fails to satisfy the constraints specified by an AWS service.</p>
286    ValidationException(crate::types::error::ValidationException),
287    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
288    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
289    variable wildcard pattern and check `.code()`:
290     \
291    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
292     \
293    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-ListWorkflowsError) for what information is available for the error.")]
294    Unhandled(crate::error::sealed_unhandled::Unhandled),
295}
296impl ListWorkflowsError {
297    /// Creates the `ListWorkflowsError::Unhandled` variant from any error type.
298    pub fn unhandled(
299        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
300    ) -> Self {
301        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
302            source: err.into(),
303            meta: ::std::default::Default::default(),
304        })
305    }
306
307    /// Creates the `ListWorkflowsError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
308    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
309        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
310            source: err.clone().into(),
311            meta: err,
312        })
313    }
314    ///
315    /// Returns error metadata, which includes the error code, message,
316    /// request ID, and potentially additional information.
317    ///
318    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
319        match self {
320            Self::AccessDeniedException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
321            Self::ConflictException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
322            Self::InternalServerException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
323            Self::RequestTimeoutException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
324            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
325            Self::ServiceQuotaExceededException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
326            Self::ThrottlingException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
327            Self::ValidationException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
328            Self::Unhandled(e) => &e.meta,
329        }
330    }
331    /// Returns `true` if the error kind is `ListWorkflowsError::AccessDeniedException`.
332    pub fn is_access_denied_exception(&self) -> bool {
333        matches!(self, Self::AccessDeniedException(_))
334    }
335    /// Returns `true` if the error kind is `ListWorkflowsError::ConflictException`.
336    pub fn is_conflict_exception(&self) -> bool {
337        matches!(self, Self::ConflictException(_))
338    }
339    /// Returns `true` if the error kind is `ListWorkflowsError::InternalServerException`.
340    pub fn is_internal_server_exception(&self) -> bool {
341        matches!(self, Self::InternalServerException(_))
342    }
343    /// Returns `true` if the error kind is `ListWorkflowsError::RequestTimeoutException`.
344    pub fn is_request_timeout_exception(&self) -> bool {
345        matches!(self, Self::RequestTimeoutException(_))
346    }
347    /// Returns `true` if the error kind is `ListWorkflowsError::ResourceNotFoundException`.
348    pub fn is_resource_not_found_exception(&self) -> bool {
349        matches!(self, Self::ResourceNotFoundException(_))
350    }
351    /// Returns `true` if the error kind is `ListWorkflowsError::ServiceQuotaExceededException`.
352    pub fn is_service_quota_exceeded_exception(&self) -> bool {
353        matches!(self, Self::ServiceQuotaExceededException(_))
354    }
355    /// Returns `true` if the error kind is `ListWorkflowsError::ThrottlingException`.
356    pub fn is_throttling_exception(&self) -> bool {
357        matches!(self, Self::ThrottlingException(_))
358    }
359    /// Returns `true` if the error kind is `ListWorkflowsError::ValidationException`.
360    pub fn is_validation_exception(&self) -> bool {
361        matches!(self, Self::ValidationException(_))
362    }
363}
364impl ::std::error::Error for ListWorkflowsError {
365    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
366        match self {
367            Self::AccessDeniedException(_inner) => ::std::option::Option::Some(_inner),
368            Self::ConflictException(_inner) => ::std::option::Option::Some(_inner),
369            Self::InternalServerException(_inner) => ::std::option::Option::Some(_inner),
370            Self::RequestTimeoutException(_inner) => ::std::option::Option::Some(_inner),
371            Self::ResourceNotFoundException(_inner) => ::std::option::Option::Some(_inner),
372            Self::ServiceQuotaExceededException(_inner) => ::std::option::Option::Some(_inner),
373            Self::ThrottlingException(_inner) => ::std::option::Option::Some(_inner),
374            Self::ValidationException(_inner) => ::std::option::Option::Some(_inner),
375            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
376        }
377    }
378}
379impl ::std::fmt::Display for ListWorkflowsError {
380    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
381        match self {
382            Self::AccessDeniedException(_inner) => _inner.fmt(f),
383            Self::ConflictException(_inner) => _inner.fmt(f),
384            Self::InternalServerException(_inner) => _inner.fmt(f),
385            Self::RequestTimeoutException(_inner) => _inner.fmt(f),
386            Self::ResourceNotFoundException(_inner) => _inner.fmt(f),
387            Self::ServiceQuotaExceededException(_inner) => _inner.fmt(f),
388            Self::ThrottlingException(_inner) => _inner.fmt(f),
389            Self::ValidationException(_inner) => _inner.fmt(f),
390            Self::Unhandled(_inner) => {
391                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
392                    write!(f, "unhandled error ({code})")
393                } else {
394                    f.write_str("unhandled error")
395                }
396            }
397        }
398    }
399}
400impl ::aws_smithy_types::retry::ProvideErrorKind for ListWorkflowsError {
401    fn code(&self) -> ::std::option::Option<&str> {
402        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
403    }
404    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
405        match self {
406            Self::InternalServerException(inner) => ::std::option::Option::Some(inner.retryable_error_kind()),
407            Self::ThrottlingException(inner) => ::std::option::Option::Some(inner.retryable_error_kind()),
408            _ => ::std::option::Option::None,
409        }
410    }
411}
412impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for ListWorkflowsError {
413    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
414        match self {
415            Self::AccessDeniedException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
416            Self::ConflictException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
417            Self::InternalServerException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
418            Self::RequestTimeoutException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
419            Self::ResourceNotFoundException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
420            Self::ServiceQuotaExceededException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
421            Self::ThrottlingException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
422            Self::ValidationException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
423            Self::Unhandled(_inner) => &_inner.meta,
424        }
425    }
426}
427impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for ListWorkflowsError {
428    fn create_unhandled_error(
429        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
430        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
431    ) -> Self {
432        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
433            source,
434            meta: meta.unwrap_or_default(),
435        })
436    }
437}
438impl ::aws_types::request_id::RequestId for crate::operation::list_workflows::ListWorkflowsError {
439    fn request_id(&self) -> Option<&str> {
440        self.meta().request_id()
441    }
442}
443
444pub use crate::operation::list_workflows::_list_workflows_output::ListWorkflowsOutput;
445
446pub use crate::operation::list_workflows::_list_workflows_input::ListWorkflowsInput;
447
448mod _list_workflows_input;
449
450mod _list_workflows_output;
451
452/// Builders
453pub mod builders;
454
455/// Paginator for this operation
456pub mod paginator;