import { Stack } from 'aws-cdk-lib';
import { TopicProps, SubscriptionFilter, ITopic } from 'aws-cdk-lib/aws-sns';
import { IQueue } from 'aws-cdk-lib/aws-sqs';
import { SqsSubscriptionProps } from 'aws-cdk-lib/aws-sns-subscriptions';
import { StackAccount } from './core';
/** Sentinel event type automatically included in Chisel filter policies. */
export declare const HealthCheckEventType = "$$HealthCheckRequested";
/** Sentinel bounded context automatically included in Chisel filter policies. */
export declare const HealthCheckBC = "$$HealthCheckBC";
export type SubscriptionFilterPolicy = {
    [key: string]: SubscriptionFilter;
};
export type TopicInput = Readonly<{
    id: string;
    displayName?: string;
}>;
/**
 * Bounded contexts and event types to include in a Chisel SNS filter policy.
 * Health-check sentinels are appended automatically.
 */
export type ChiselFilterPolicyInput = Readonly<{
    bcs: Array<string>;
    eventTypes?: Array<string>;
}>;
export type SqsSubscriptionInput = Readonly<{
    topic: ITopic;
    queue: IQueue;
    dlq?: IQueue;
}>;
/** Creates an SNS topic with optional default and per-call configuration overrides. */
export declare const withTopic: (deps: {
    defaultConfiguration?: Partial<TopicProps>;
    stack: Stack;
}) => (input: TopicInput, configuration?: Partial<TopicProps>) => ITopic;
/**
 * Builds a subscription filter policy for Chisel event-sourced topics.
 * Automatically appends health-check sentinels to both bounded context and event type allowlists.
 */
export declare const withChiselFilterPolicy: (input: ChiselFilterPolicyInput) => SubscriptionFilterPolicy;
/** Subscribes an SQS queue to an SNS topic with an optional filter policy and dead-letter queue. */
export declare const withSqsSubscription: (deps: {
    configuration?: SqsSubscriptionProps;
    filterPolicy?: SubscriptionFilterPolicy;
}) => (input: SqsSubscriptionInput) => boolean;
/** Constructs an SNS topic ARN from account info and topic name. */
export declare const topicArnFromName: (deps: {
    account: StackAccount;
}) => (topicName: string) => string;
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