import type { aws_ec2, aws_iam, aws_kms, aws_lambda, aws_logs, Duration } from 'aws-cdk-lib';
/**
 * OptionalProviderProps
 */
export interface OptionalProviderProps {
    /**
     * Which subnets from the VPC to place the lambda functions in.
     * Only used if 'vpc' is supplied. Note: internet access for Lambdas
     * requires a NAT gateway, so picking Public subnets is not allowed.
     * @default - the Vpc default strategy if not specified
     * @stability stable
     */
    readonly vpcSubnets?: aws_ec2.SubnetSelection;
    /**
     * The vpc to provision the lambda functions in.
     * @default - functions are not provisioned inside a vpc.
     * @stability stable
     */
    readonly vpc?: aws_ec2.IVpc;
    /**
     * Total timeout for the entire operation.
     * The maximum timeout is 1 hour (yes, it can exceed the AWS Lambda 15 minutes)
     * @default Duration.minutes(30)
     * @stability stable
     */
    readonly totalTimeout?: Duration;
    /**
     * Security groups to attach to the provider functions.
     * Only used if 'vpc' is supplied
     * @default - If `vpc` is not supplied, no security groups are attached. Otherwise, a dedicated security
  group is created for each function.
     * @stability stable
     */
    readonly securityGroups?: Array<aws_ec2.ISecurityGroup>;
    /**
     * AWS Lambda execution role.
     * The role that will be assumed by the AWS Lambda.
     * Must be assumable by the 'lambda.amazonaws.com' service principal.
     * @default - A default role will be created.
     * @stability stable
     */
    readonly role?: aws_iam.IRole;
    /**
     * Time between calls to the `isComplete` handler which determines if the resource has been stabilized.
     * The first `isComplete` will be called immediately after `handler` and then
     * every `queryInterval` seconds, and until `timeout` has been reached or until
     * `isComplete` returns `true`.
     * @default Duration.seconds(5)
     * @stability stable
     */
    readonly queryInterval?: Duration;
    /**
     * Provider Lambda name.
     * The provider lambda function name.
     * @default -  CloudFormation default name from unique physical ID
     * @stability stable
     */
    readonly providerFunctionName?: string;
    /**
     * AWS KMS key used to encrypt provider lambda's environment variables.
     * @default -  AWS Lambda creates and uses an AWS managed customer master key (CMK)
     * @stability stable
     */
    readonly providerFunctionEnvEncryption?: aws_kms.IKey;
    /**
     * The number of days framework log events are kept in CloudWatch Logs.
     * When
     * updating this property, unsetting it doesn't remove the log retention policy.
     * To remove the retention policy, set the value to `INFINITE`.
     *
     * This is a legacy API and we strongly recommend you migrate to `logGroup` if you can.
     * `logGroup` allows you to create a fully customizable log group and instruct the Lambda function to send logs to it.
     * @default logs.RetentionDays.INFINITE
     * @stability stable
     */
    readonly logRetention?: aws_logs.RetentionDays;
    /**
     * The Log Group used for logging of events emitted by the custom resource's lambda function.
     * Providing a user-controlled log group was rolled out to commercial regions on 2023-11-16.
     * If you are deploying to another type of region, please check regional availability first.
     * @default - a default log group created by AWS Lambda
     * @stability stable
     */
    readonly logGroup?: aws_logs.ILogGroup;
    /**
     * The AWS Lambda function to invoke in order to determine if the operation is complete.
     * This function will be called immediately after `onEvent` and then
     * periodically based on the configured query interval as long as it returns
     * `false`. If the function still returns `false` and the alloted timeout has
     * passed, the operation will fail.
     * @default - provider is synchronous. This means that the `onEvent` handler
  is expected to finish all lifecycle operations within the initial invocation.
     * @stability stable
     */
    readonly isCompleteHandler?: aws_lambda.IFunction;
    /**
     * The AWS Lambda function to invoke for all resource lifecycle operations (CREATE/UPDATE/DELETE).
     * This function is responsible to begin the requested resource operation
     * (CREATE/UPDATE/DELETE) and return any additional properties to add to the
     * event, which will later be passed to `isComplete`. The `PhysicalResourceId`
     * property must be included in the response.
     * @stability stable
     */
    readonly onEventHandler?: aws_lambda.IFunction;
}