import { VpcConfig, SubnetAvailabilityZone } from '@aws-amplify/graphql-transformer-interfaces';
export declare const checkHostInDBProxies: (hostname: string, region?: string) => Promise<VpcConfig | undefined>;
export declare const getSubnetAvailabilityZones: (subnetIds: string[], region: string) => Promise<SubnetAvailabilityZone[] | undefined>;
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