CfnAccountPolicy L1 construct
Creates or updates an account-level data protection policy or subscription filter policy that applies to all log groups or a subset of log groups in the account.
Data protection policy
A data protection policy can help safeguard sensitive data that's ingested by your log groups by auditing and masking the sensitive log data. Each account can have only one account-level data protection policy.
Sensitive data is detected and masked when it is ingested into a log group. When you set a data protection policy, log events ingested into the log groups before that time are not masked.
If you create a data protection policy for your whole account, it applies to both existing log groups and all log groups that are created later in this account. The account policy is applied to existing log groups with eventual consistency. It might take up to 5 minutes before sensitive data in existing log groups begins to be masked.
By default, when a user views a log event that includes masked data, the sensitive data is replaced by asterisks. A user who has the logs:Unmask permission can use a GetLogEvents or FilterLogEvents operation with the unmask parameter set to true to view the unmasked log events. Users with the logs:Unmask can also view unmasked data in the CloudWatch Logs console by running a CloudWatch Logs Insights query with the unmask query command.
For more information, including a list of types of data that can be audited and masked, see Protect sensitive log data with masking .
To create an account-level policy, you must be signed on with the logs:PutDataProtectionPolicy and logs:PutAccountPolicy permissions.
An account-level policy applies to all log groups in the account. You can also create a data protection policy that applies to just one log group. If a log group has its own data protection policy and the account also has an account-level data protection policy, then the two policies are cumulative. Any sensitive term specified in either policy is masked.
Subscription filter policy
A subscription filter policy sets up a real-time feed of log events from CloudWatch Logs to other AWS services. Account-level subscription filter policies apply to both existing log groups and log groups that are created later in this account. Supported destinations are Kinesis Data Streams , Firehose , and Lambda . When log events are sent to the receiving service, they are Base64 encoded and compressed with the GZIP format.
The following destinations are supported for subscription filters:
- An Kinesis Data Streams data stream in the same account as the subscription policy, for same-account delivery.
- An Firehose data stream in the same account as the subscription policy, for same-account delivery.
- A Lambda function in the same account as the subscription policy, for same-account delivery.
- A logical destination in a different account created with PutDestination , for cross-account delivery. Kinesis Data Streams and Firehose are supported as logical destinations.
Each account can have one account-level subscription filter policy. If you are updating an existing filter, you must specify the correct name in PolicyName . To perform a PutAccountPolicy subscription filter operation for any destination except a Lambda function, you must also have the iam:PassRole permission.
Field index policy
You can use field index policies to create indexes on fields found in log events in the log group. Creating field indexes lowers the scan volume for CloudWatch Logs Insights queries that reference those fields, because these queries attempt to skip the processing of log events that are known to not match the indexed field. Good fields to index are fields that you often need to query for. Common examples of indexes include request ID, session ID, user IDs, or instance IDs. For more information, see Create field indexes to improve query performance and reduce costs
For example, suppose you have created a field index for requestId . Then, any CloudWatch Logs Insights query on that log group that includes requestId = *value* or requestId IN [ *value* , *value* , ...] will attempt to process only the log events where the indexed field matches the specified value.
Matches of log events to the names of indexed fields are case-sensitive. For example, an indexed field of RequestId won't match a log event containing requestId .
You can have one account-level field index policy that applies to all log groups in the account. Or you can create as many as 20 account-level field index policies that are each scoped to a subset of log groups with the SelectionCriteria parameter. If you have multiple account-level index policies with selection criteria, no two of them can use the same or overlapping log group name prefixes. For example, if you have one policy filtered to log groups that start with my-log , you can't have another field index policy filtered to my-logpprod or my-logging .
Transformer policy
A log transformer policy transforms ingested log events into a different format, making them easier for you to process and analyze. You can also transform logs from different sources into standardized formats that contain relevant, source-specific information. After you have created a transformer, CloudWatch Logs performs this transformation at the time of log ingestion. You can then refer to the transformed versions of the logs during operations such as querying with CloudWatch Logs Insights or creating metric filters or subscription filters.
You can also use a transformer to copy metadata from metadata keys into the log events themselves. This metadata can include log group name, log stream name, account ID and Region.
A transformer for a log group is a series of processors, where each processor applies one type of transformation to the log events ingested into this log group. For more information about the available processors to use in a transformer, see Processors that you can use .
Having log events in standardized format enables visibility across your applications for your log analysis, reporting, and alarming needs. CloudWatch Logs provides transformation for common log types with out-of-the-box transformation templates for major AWS log sources such as VPC flow logs, Lambda , and Amazon RDS . You can use pre-built transformation templates or create custom transformation policies.
You can create transformers only for the log groups in the Standard log class.
You can have one account-level transformer policy that applies to all log groups in the account. Or you can create as many as 20 account-level transformer policies that are each scoped to a subset of log groups with the selectionCriteria parameter. If you have multiple account-level transformer policies with selection criteria, no two of them can use the same or overlapping log group name prefixes. For example, if you have one policy filtered to log groups that start with my-log , you can't have another field index policy filtered to my-logpprod or my-logging .
You can also set up a transformer at the log-group level. For more information, see AWS::Logs::Transformer . If there is both a log-group level transformer created with PutTransformer and an account-level transformer that could apply to the same log group, the log group uses only the log-group level transformer. It ignores the account-level transformer.
Example
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_logs as logs } from 'aws-cdk-lib';
const cfnAccountPolicy = new logs.CfnAccountPolicy(this, 'MyCfnAccountPolicy', {
policyDocument: 'policyDocument',
policyName: 'policyName',
policyType: 'policyType',
// the properties below are optional
scope: 'scope',
selectionCriteria: 'selectionCriteria',
});
# The code below shows an example of how to instantiate this type.
# The values are placeholders you should change.
from aws_cdk import aws_logs as logs
cfn_account_policy = logs.CfnAccountPolicy(self, "MyCfnAccountPolicy",
policy_document="policyDocument",
policy_name="policyName",
policy_type="policyType",
# the properties below are optional
scope="scope",
selection_criteria="selectionCriteria"
)
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import software.amazon.awscdk.services.logs.*;
CfnAccountPolicy cfnAccountPolicy = CfnAccountPolicy.Builder.create(this, "MyCfnAccountPolicy")
.policyDocument("policyDocument")
.policyName("policyName")
.policyType("policyType")
// the properties below are optional
.scope("scope")
.selectionCriteria("selectionCriteria")
.build();
// Install: dotnet add package Amazon.CDK.Lib
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
using Amazon.CDK.AWS.Logs;
var cfnAccountPolicy = new CfnAccountPolicy(this, "MyCfnAccountPolicy", new CfnAccountPolicyProps {
PolicyDocument = "policyDocument",
PolicyName = "policyName",
PolicyType = "policyType",
// the properties below are optional
Scope = "scope",
SelectionCriteria = "selectionCriteria"
});
// Install: go get github.com/aws/aws-cdk-go/awscdk/v2
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import "github.com/aws/aws-cdk-go/awscdk"
cfnAccountPolicy := awscdk.Aws_logs.NewCfnAccountPolicy(this, jsii.String("MyCfnAccountPolicy"), &CfnAccountPolicyProps{
PolicyDocument: jsii.String("policyDocument"),
PolicyName: jsii.String("policyName"),
PolicyType: jsii.String("policyType"),
// the properties below are optional
Scope: jsii.String("scope"),
SelectionCriteria: jsii.String("selectionCriteria"),
})
Initializer
new CfnAccountPolicy(scope: Construct, id: string, props: CfnAccountPolicyProps)
CfnAccountPolicy(scope: Construct, id: str, props: CfnAccountPolicyProps)
new CfnAccountPolicy(Construct scope, String id, CfnAccountPolicyProps props)
new CfnAccountPolicy(Construct scope, string id, CfnAccountPolicyProps props)
NewCfnAccountPolicy(Scope Construct, Id *string, Props CfnAccountPolicyProps)
Construct Props
policyDocumentstringpolicy_documentstrpolicyDocumentStringPolicyDocumentstringPolicyDocument*stringrequired#notes
Data protection policy
A data protection policy must include two JSON blocks:
- The first block must include both a
DataIdentiferarray and anOperationproperty with anAuditaction. TheDataIdentiferarray lists the types of sensitive data that you want to mask. For more information about the available options, see Types of data that you can mask .
The Operation property with an Audit action is required to find the sensitive data terms. This Audit action must contain a FindingsDestination object. You can optionally use that FindingsDestination object to list one or more destinations to send audit findings to. If you specify destinations such as log groups, Firehose streams, and S3 buckets, they must already exist.
- The second block must include both a
DataIdentiferarray and anOperationproperty with anDeidentifyaction. TheDataIdentiferarray must exactly match theDataIdentiferarray in the first block of the policy.
The Operation property with the Deidentify action is what actually masks the data, and it must contain the "MaskConfig": {} object. The "MaskConfig": {} object must be empty.
The contents of the two
DataIdentiferarrays must match exactly.
In addition to the two JSON blocks, the policyDocument can also include Name , Description , and Version fields. The Name is different than the operation's policyName parameter, and is used as a dimension when CloudWatch Logs reports audit findings metrics to CloudWatch .
The JSON specified in policyDocument can be up to 30,720 characters long.
Subscription filter policy
A subscription filter policy can include the following attributes in a JSON block:
DestinationArn The ARN of the destination to deliver log events to. Supported destinations are:
An Kinesis Data Streams data stream in the same account as the subscription policy, for same-account delivery.
An Firehose data stream in the same account as the subscription policy, for same-account delivery.
A Lambda function in the same account as the subscription policy, for same-account delivery.
A logical destination in a different account created with PutDestination , for cross-account delivery. Kinesis Data Streams and Firehose are supported as logical destinations.
RoleArn The ARN of an IAM role that grants CloudWatch Logs permissions to deliver ingested log events to the destination stream. You don't need to provide the ARN when you are working with a logical destination for cross-account delivery.
FilterPattern A filter pattern for subscribing to a filtered stream of log events.
Distribution The method used to distribute log data to the destination. By default, log data is grouped by log stream, but the grouping can be set to
Randomfor a more even distribution. This property is only applicable when the destination is an Kinesis Data Streams data stream.
Field index policy
A field index filter policy can include the following attribute in a JSON block:
- Fields The array of field indexes to create.
The following is an example of an index policy document that creates two indexes, RequestId and TransactionId .
"policyDocument": "{ \"Fields\": [ \"RequestId\", \"TransactionId\" ] }"
Transformer policy
A transformer policy must include one JSON block with the array of processors and their configurations. For more information about available processors, see Processors that you can use .
This must be unique within the account.
If you omit this parameter, the default of ALL is used. To scope down a subscription filter policy to a subset of log groups, use the SelectionCriteria parameter.
selectionCriteriaoptionalstringselection_criteriaoptionalstrselectionCriteriaoptionalStringSelectionCriteriaoptionalstringSelectionCriteriaoptional*string#notes
You need to specify SelectionCriteria only when you specify SUBSCRIPTION_FILTER_POLICY , FIELD_INDEX_POLICY or TRANSFORMER_POLICY for PolicyType .
If PolicyType is SUBSCRIPTION_FILTER_POLICY , the only supported SelectionCriteria filter is LogGroupName NOT IN []
If PolicyType is FIELD_INDEX_POLICY or TRANSFORMER_POLICY , the only supported SelectionCriteria filter is LogGroupNamePrefix
The SelectionCriteria string can be up to 25KB in length. The length is determined by using its UTF-8 bytes.
Using the SelectionCriteria parameter with SUBSCRIPTION_FILTER_POLICY is useful to help prevent infinite loops. For more information, see Log recursion prevention .
Properties
accountPolicyRefAccountPolicyReferenceaccount_policy_refAccountPolicyReferenceaccountPolicyRefAccountPolicyReferenceAccountPolicyRefAccountPolicyReferenceAccountPolicyRefAccountPolicyReference#For example, 123456789012 .
CFN_RESOURCE_TYPE_NAMEstringcfn_resource_type_namestrCFN_RESOURCE_TYPE_NAMEStringCFN_RESOURCE_TYPE_NAMEstringCFN_RESOURCE_TYPE_NAME*stringstatic#cfnOptionsICfnResourceOptionscfn_optionsICfnResourceOptionscfnOptionsICfnResourceOptionsCfnOptionsICfnResourceOptionsCfnOptionsICfnResourceOptions#cfnResourceTypestringcfn_resource_typestrcfnResourceTypeStringCfnResourceTypestringCfnResourceType*string#creationStackstring[]creation_stacktyping.List[str]creationStackList<String>CreationStackstring[]CreationStack*[]*string#The logical ID of the element is calculated from the path of the resource node in the construct tree.
To override this value, use overrideLogicalId(newLogicalId).
policyDocumentstringpolicy_documentstrpolicyDocumentStringPolicyDocumentstringPolicyDocument*string#If, by any chance, the intrinsic reference of a resource is not a string, you could coerce it to an IResolvable through Lazy.any({ produce: resource.ref }).
scopemay be undefinedstringscopemay be undefinedstrscopemay be undefinedStringScopemay be undefinedstringScopemay be undefined*string#selectionCriteriamay be undefinedstringselection_criteriamay be undefinedstrselectionCriteriamay be undefinedStringSelectionCriteriamay be undefinedstringSelectionCriteriamay be undefined*string#Methods
addDeletionOverride(path: string): voiddef add_deletion_override(self, path: str) -> Nonepublic void addDeletionOverride(String path)public void AddDeletionOverride(string path)func AddDeletionOverride(Path *string)#1 parameter
Parameters
pathpathpathpathPath— The path of the value to delete.
addDependency(target: CfnResource): voiddef add_dependency(self, target: CfnResource) -> Nonepublic void addDependency(CfnResource target)public void AddDependency(CfnResource target)func AddDependency(Target CfnResource)deprecated#This method has been renamed to addResourceDependency to more clearly set it apart from construct.node.addDependency. See the documentation of that function for more details.
addDependsOn(target: CfnResource): voiddef add_depends_on(self, target: CfnResource) -> Nonepublic void addDependsOn(CfnResource target)public void AddDependsOn(CfnResource target)func AddDependsOn(Target CfnResource)deprecated#notes
This can be used for resources across stacks (or nested stack) boundaries and the dependency will automatically be transferred to the relevant scope.
This method has been renamed to addResourceDependency, which makes it more clear that this method operates at a different level from the construct-level construct.node.addDependency() mechanism.
addMetadata(key: string, value: any): voiddef add_metadata(self, key: str, value: Any) -> Nonepublic void addMetadata(String key, Object value)public void AddMetadata(string key, object value)func AddMetadata(Key *string, Value interface{})#addOverride(path: string, value: any): voiddef add_override(self, path: str, value: Any) -> Nonepublic void addOverride(String path, Object value)public void AddOverride(string path, object value)func AddOverride(Path *string, Value interface{})#notes · 2 parameters
To add a property override, either use addPropertyOverride or prefix path with "Properties." (i.e. Properties.TopicName).
If the override is nested, separate each nested level using a dot (.) in the path parameter. If there is an array as part of the nesting, specify the index in the path.
To include a literal . in the property name, prefix with a \. In most programming languages you will need to write this as "\\." because the \ itself will need to be escaped.
For example,
cfnResource.addOverride('Properties.GlobalSecondaryIndexes.0.Projection.NonKeyAttributes', ['myattribute']);
cfnResource.addOverride('Properties.GlobalSecondaryIndexes.1.ProjectionType', 'INCLUDE');
would add the overrides
"Properties": {
"GlobalSecondaryIndexes": [
{
"Projection": {
"NonKeyAttributes": [ "myattribute" ]
...
}
...
},
{
"ProjectionType": "INCLUDE"
...
},
]
...
}
The value argument to addOverride will not be processed or translated in any way. Pass raw JSON values in here with the correct capitalization for CloudFormation. If you pass CDK classes or structs, they will be rendered with lowercased key names, and CloudFormation will reject the template.
Parameters
pathpathpathpathPath— - The path of the property, you can use dot notation to override values in complex types.valuevaluevaluevalueValue— - The value.
addPropertyDeletionOverride(propertyPath: string): voiddef add_property_deletion_override(self, property_path: str) -> Nonepublic void addPropertyDeletionOverride(String propertyPath)public void AddPropertyDeletionOverride(string propertyPath)func AddPropertyDeletionOverride(PropertyPath *string)#1 parameter
Parameters
propertyPathproperty_pathpropertyPathpropertyPathPropertyPath— The path to the property.
addPropertyOverride(propertyPath: string, value: any): voiddef add_property_override(self, property_path: str, value: Any) -> Nonepublic void addPropertyOverride(String propertyPath, Object value)public void AddPropertyOverride(string propertyPath, object value)func AddPropertyOverride(PropertyPath *string, Value interface{})#Syntactic sugar for addOverride("Properties.<...>", value).
2 parameters
Parameters
propertyPathproperty_pathpropertyPathpropertyPathPropertyPath— The path of the property.valuevaluevaluevalueValue— The value.
addResourceDependency(target: CfnResource, reason?: string): voiddef add_resource_dependency(self, target: CfnResource, reason: typing.Optional[str] = None) -> Nonepublic void addResourceDependency(CfnResource target, String reason)public void AddResourceDependency(CfnResource target, string? reason = null)func AddResourceDependency(Target CfnResource, Reason *string)#notes
This can be used for resources across stacks (or nested stack) boundaries and the dependency will automatically be transferred to the relevant scope.
This method only adds dependencies between L1 resources. If you are looking for a generic construct-to-construct dependency mechanism that works for all constructs including L2s, use construct.node.addDependency instead.
applyCrossStackReferenceStrength(strength: ReferenceStrength): voiddef apply_cross_stack_reference_strength(self, strength: ReferenceStrength) -> Nonepublic void applyCrossStackReferenceStrength(ReferenceStrength strength)public void ApplyCrossStackReferenceStrength(ReferenceStrength strength)func ApplyCrossStackReferenceStrength(Strength ReferenceStrength)#When set, any cross-stack reference to this resource will use the specified strength instead of the global default from the consuming stack's context.
1 parameter
Parameters
strengthstrengthstrengthstrengthStrength— - The reference strength to use for this resource.
applyRemovalPolicy(policy?: RemovalPolicy, options?: RemovalPolicyOptions): voiddef apply_removal_policy(self, policy: typing.Optional[RemovalPolicy] = None, options: typing.Optional[RemovalPolicyOptions] = None) -> Nonepublic void applyRemovalPolicy(RemovalPolicy policy, RemovalPolicyOptions options)public void ApplyRemovalPolicy(RemovalPolicy? policy = null, RemovalPolicyOptions? options = null)func ApplyRemovalPolicy(Policy RemovalPolicy, Options RemovalPolicyOptions)#notes
The Removal Policy controls what happens to this resource when it stops being managed by CloudFormation, either because you've removed it from the CDK application or because you've made a change that requires the resource to be replaced.
The resource can be deleted (RemovalPolicy.DESTROY), or left in your AWS account for data recovery and cleanup later (RemovalPolicy.RETAIN). In some cases, a snapshot can be taken of the resource prior to deletion (RemovalPolicy.SNAPSHOT). A list of resources that support this policy can be found in the following link:
cfnPropertyName(cdkPropertyName: string): stringdef cfn_property_name(self, cdk_property_name: str) -> strpublic String cfnPropertyName(String cdkPropertyName)public string CfnPropertyName(string cdkPropertyName)func CfnPropertyName(CdkPropertyName *string) *string#getAtt(attributeName: string, typeHint?: ResolutionTypeHint): Referencedef get_att(self, attribute_name: str, type_hint: typing.Optional[ResolutionTypeHint] = None) -> Referencepublic Reference getAtt(String attributeName, ResolutionTypeHint typeHint)public Reference GetAtt(string attributeName, ResolutionTypeHint? typeHint = null)func GetAtt(AttributeName *string, TypeHint ResolutionTypeHint) Reference#Ideally, use generated attribute accessors (e.g. resource.arn), but this can be used for future compatibility in case there is no generated attribute.
1 parameter
Parameters
attributeNameattribute_nameattributeNameattributeNameAttributeName— The name of the attribute.
getMetadata(key: string): anydef get_metadata(self, key: str) -> Anypublic Object getMetadata(String key)public object GetMetadata(string key)func GetMetadata(Key *string) interface{}#inspect(inspector: TreeInspector): voiddef inspect(self, inspector: TreeInspector) -> Nonepublic void inspect(TreeInspector inspector)public void Inspect(TreeInspector inspector)func Inspect(Inspector TreeInspector)#1 parameter
Parameters
inspectorinspectorinspectorinspectorInspector— tree inspector to collect and process attributes.
isCfnAccountPolicy(x: any): boolean@staticmethod def is_cfn_account_policy(x: Any) -> boolpublic static Boolean isCfnAccountPolicy(Object x)public static bool IsCfnAccountPolicy(object x)func IsCfnAccountPolicy(X interface{}) *boolstatic#isCfnElement(x: any): boolean@staticmethod def is_cfn_element(x: Any) -> boolpublic static Boolean isCfnElement(Object x)public static bool IsCfnElement(object x)func IsCfnElement(X interface{}) *boolstatic#Uses duck-typing instead of instanceof to allow stack elements from different versions of this library to be included in the same stack.
returns
Returns: The construct as a stack element or undefined if it is not a stack element.
isCfnResource(x: any): boolean@staticmethod def is_cfn_resource(x: Any) -> boolpublic static Boolean isCfnResource(Object x)public static bool IsCfnResource(object x)func IsCfnResource(X interface{}) *boolstatic#isConstruct(x: any): boolean@staticmethod def is_construct(x: Any) -> boolpublic static Boolean isConstruct(Object x)public static bool IsConstruct(object x)func IsConstruct(X interface{}) *boolstatic#notes · 1 parameter · returns
Use this method instead of instanceof to properly detect Construct instances, even when the construct library is symlinked.
Explanation: in JavaScript, multiple copies of the constructs library on disk are seen as independent, completely different libraries. As a consequence, the class Construct in each copy of the constructs library is seen as a different class, and an instance of one class will not test as instanceof the other class. npm install will not create installations like this, but users may manually symlink construct libraries together or use a monorepo tool: in those cases, multiple copies of the constructs library can be accidentally installed, and instanceof will behave unpredictably. It is safest to avoid using instanceof, and using this type-testing method instead.
Parameters
xxxxX— Any object.
Returns: true if x is an object created from a class which extends Construct.
obtainDependencies(): Stack | CfnResource[]def obtain_dependencies(self, ) -> typing.List[typing.Union[Stack, CfnResource]]public List<Stack> obtainDependencies()public Stack[] ObtainDependencies()func ObtainDependencies() *[]interface{}#For resources depended on directly, returns the CfnResource object. For dependencies on other stacks, returns the Stack object. The order of the array is not guaranteed.
overrideLogicalId(newLogicalId: string): voiddef override_logical_id(self, new_logical_id: str) -> Nonepublic void overrideLogicalId(String newLogicalId)public void OverrideLogicalId(string newLogicalId)func OverrideLogicalId(NewLogicalId *string)#1 parameter
Parameters
newLogicalIdnew_logical_idnewLogicalIdnewLogicalIdNewLogicalId— The new logical ID to use for this stack element.
removeDependency(target: CfnResource): voiddef remove_dependency(self, target: CfnResource) -> Nonepublic void removeDependency(CfnResource target)public void RemoveDependency(CfnResource target)func RemoveDependency(Target CfnResource)deprecated#This can be used for resources across stacks (including nested stacks) and the dependency will automatically be removed from the relevant scope.
removeResourceDependency(target: CfnResource): voiddef remove_resource_dependency(self, target: CfnResource) -> Nonepublic void removeResourceDependency(CfnResource target)public void RemoveResourceDependency(CfnResource target)func RemoveResourceDependency(Target CfnResource)#This can be used for resources across stacks (including nested stacks) and the dependency will automatically be removed from the relevant scope.
replaceDependency(target: CfnResource, newTarget: CfnResource): voiddef replace_dependency(self, target: CfnResource, new_target: CfnResource) -> Nonepublic void replaceDependency(CfnResource target, CfnResource newTarget)public void ReplaceDependency(CfnResource target, CfnResource newTarget)func ReplaceDependency(Target CfnResource, NewTarget CfnResource)#2 parameters
Parameters
targettargettargettargetTarget— The dependency to replace.newTargetnew_targetnewTargetnewTargetNewTarget— The new dependency to add.
toString(): stringdef to_string(self, ) -> strpublic String toString()public string ToString()func ToString() *string#returns
Returns: a string representation of this resource
with(...mixins: IMixin[]): IConstructdef with(self, mixins: IMixin) -> IConstructpublic IConstruct with(IMixin mixins)public IConstruct With(IMixin mixins)func With(Mixins IMixin) IConstruct#Mixins are applied in order. The list of constructs is captured at the start of the call, so constructs added by a mixin will not be visited. Use multiple with() calls if subsequent mixins should apply to added constructs.