import type { NonEmptyString } from "../../../common/CustomTypes/NonEmptyString";
import type { NaturalNumber } from "../../../common/CustomTypes/Numerics";
import type { ResourceBase, StorageEncryption, VPC } from "../Common";
export declare type DocDBClusterType = 'resource.docdb.cluster';
export interface DocDBCluster extends ResourceBase {
    type: DocDBClusterType;
    masterUsername: NonEmptyString;
    instanceClass: NonEmptyString;
    numberOfInstances: NaturalNumber;
    storageEncryption?: StorageEncryption;
    port?: NaturalNumber;
    backupRetentionDays?: NaturalNumber;
    vpc?: VPC;
    deletionProtection: boolean;
}
export declare const isDocDBCluster: import("@altostra/type-validations").ObjectOfTypeValidation<DocDBCluster>;
export declare const instanceClassSupport: string[];