/**
 * Block device
 */
export interface BlockDevice {
    /**
     * The device name exposed to the EC2 instance
     *
     * Supply a value like `/dev/sdh`, `xvdh`.
     *
     * @see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/device_naming.html
     */
    readonly deviceName: string;
    /**
     * Defines the block device volume, to be either an Amazon EBS volume or an ephemeral instance store volume
     *
     * Supply a value like `BlockDeviceVolume.ebs(15)`, `BlockDeviceVolume.ephemeral(0)`.
     */
    readonly volume: BlockDeviceVolume;
}
/**
 * Base block device options for an EBS volume
 */
export interface EbsDeviceOptionsBase {
    /**
     * Indicates whether to delete the volume when the instance is terminated.
     *
     * @default - true for Amazon EC2 Auto Scaling, false otherwise (e.g. EBS)
     */
    readonly deleteOnTermination?: boolean;
    /**
     * The number of I/O operations per second (IOPS) to provision for the volume.
     *
     * Must only be set for `volumeType`: `EbsDeviceVolumeType.IO1`
     *
     * The maximum ratio of IOPS to volume size (in GiB) is 50:1, so for 5,000 provisioned IOPS,
     * you need at least 100 GiB storage on the volume.
     *
     * @see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html
     *
     * @default - none, required for `EbsDeviceVolumeType.IO1`
     */
    readonly iops?: number;
    /**
     * The EBS volume type
     * @see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html
     *
     * @default `EbsDeviceVolumeType.GP2`
     */
    readonly volumeType?: EbsDeviceVolumeType;
    /**
     * The throughput that the volume supports, in MiB/s
     * Takes a minimum of 125 and maximum of 1000.
     * @see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html
     * @default - 125 MiB/s. Only valid on gp3 volumes.
     */
    readonly throughput?: number;
}
/**
 * Block device options for an EBS volume
 */
export interface EbsDeviceOptions extends EbsDeviceOptionsBase {
    /**
     * Specifies whether the EBS volume is encrypted.
     * Encrypted EBS volumes can only be attached to instances that support Amazon EBS encryption
     *
     * @see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSEncryption.html#EBSEncryption_supported_instances
     *
     * @default false
     */
    readonly encrypted?: boolean;
}
/**
 * Block device options for an EBS volume created from a snapshot
 */
export interface EbsDeviceSnapshotOptions extends EbsDeviceOptionsBase {
    /**
     * The volume size, in Gibibytes (GiB)
     *
     * If you specify volumeSize, it must be equal or greater than the size of the snapshot.
     *
     * @default - The snapshot size
     */
    readonly volumeSize?: number;
}
/**
 * Properties of an EBS block device
 */
export interface EbsDeviceProps extends EbsDeviceSnapshotOptions {
    /**
     * The snapshot ID of the volume to use
     *
     * @default - No snapshot will be used
     */
    readonly snapshotId?: string;
}
/**
 * Describes a block device mapping for an EC2 instance or Auto Scaling group.
 */
export declare class BlockDeviceVolume {
    readonly ebsDevice?: EbsDeviceProps | undefined;
    readonly virtualName?: string | undefined;
    /**
     * @internal
     */
    static _NO_DEVICE: BlockDeviceVolume;
    /**
     * Creates a new Elastic Block Storage device
     *
     * @param volumeSize The volume size, in Gibibytes (GiB)
     * @param options additional device options
     */
    static ebs(volumeSize: number, options?: EbsDeviceOptions): BlockDeviceVolume;
    /**
     * Creates a new Elastic Block Storage device from an existing snapshot
     *
     * @param snapshotId The snapshot ID of the volume to use
     * @param options additional device options
     */
    static ebsFromSnapshot(snapshotId: string, options?: EbsDeviceSnapshotOptions): BlockDeviceVolume;
    /**
     * Creates a virtual, ephemeral device.
     * The name will be in the form ephemeral{volumeIndex}.
     *
     * @param volumeIndex the volume index. Must be equal or greater than 0
     */
    static ephemeral(volumeIndex: number): BlockDeviceVolume;
    /**
     * Supresses a volume mapping
     */
    static noDevice(): BlockDeviceVolume;
    /**
     * @param ebsDevice EBS device info
     * @param virtualName Virtual device name
     */
    protected constructor(ebsDevice?: EbsDeviceProps | undefined, virtualName?: string | undefined);
}
/**
 * Supported EBS volume types for blockDevices
 */
export declare enum EbsDeviceVolumeType {
    /**
     * Magnetic
     */
    STANDARD = "standard",
    /**
     *  Provisioned IOPS SSD - IO1
     */
    IO1 = "io1",
    /**
     * General Purpose SSD - GP2
     */
    GP2 = "gp2",
    /**
     * General Purpose SSD - GP3
     */
    GP3 = "gp3",
    /**
     * Throughput Optimized HDD
     */
    ST1 = "st1",
    /**
     * Cold HDD
     */
    SC1 = "sc1"
}