import type { Arn } from "../../../aws/Arn";
import type { Maybe } from "../../../common/Maybe";
import type { ExternalResourceType, ExternalType } from "../../Resources/ExternalResource";
import type { ValidArnDbResource } from "../../Resources/ExternalResource/ExternalDataBase";
import { DynamoDbTableIdentifier } from "../../Utils/DynamoDbTableIdentifier";
import type { ResourceHelper } from "../ResourceHelper";
export declare function getExternalResourceUtils(helper: ResourceHelper<ExternalResourceType>): ExternalResourceUtils;
export interface ExternalRelationalDatabaseUtils {
    isValidDatabaseArn(arn: Arn): boolean;
    /**
     * returns Tuple [resourceType, dbName]
     * @param arn
     */
    parseRdbArn(arn: Arn): Maybe<[ValidArnDbResource, string]>;
}
export declare type ExternalUtilsByType<T extends ExternalType> = ExternalUtilityByType[T];
export interface ExternalUtilityByType {
    'external.rdb': ExternalRelationalDatabaseUtils;
    'external.dynamo'?: true;
    'external.simple'?: true;
}
export interface ExternalResourceUtils {
    readonly supportsOutgoingConnections: boolean;
    readonly supportsIncomingConnections: boolean;
    readonly tableId: Maybe<DynamoDbTableIdentifier>;
    utilsByType<T extends keyof ExternalUtilityByType>(key: T): ExternalUtilsByType<T>;
    /**
     * Validates that the resource does not have unsupported connections
     */
    validateConnections(): void;
}