import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../EC2Client";
import type { AssociateSubnetCidrBlockRequest, AssociateSubnetCidrBlockResult } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link AssociateSubnetCidrBlockCommand}.
 */
export interface AssociateSubnetCidrBlockCommandInput extends AssociateSubnetCidrBlockRequest {
}
/**
 * @public
 *
 * The output of {@link AssociateSubnetCidrBlockCommand}.
 */
export interface AssociateSubnetCidrBlockCommandOutput extends AssociateSubnetCidrBlockResult, __MetadataBearer {
}
declare const AssociateSubnetCidrBlockCommand_base: {
    new (input: AssociateSubnetCidrBlockCommandInput): import("@smithy/smithy-client").CommandImpl<AssociateSubnetCidrBlockCommandInput, AssociateSubnetCidrBlockCommandOutput, EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (input: AssociateSubnetCidrBlockCommandInput): import("@smithy/smithy-client").CommandImpl<AssociateSubnetCidrBlockCommandInput, AssociateSubnetCidrBlockCommandOutput, EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Associates a CIDR block with your subnet. You can only associate a single IPv6 CIDR
 *             block with your subnet.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { EC2Client, AssociateSubnetCidrBlockCommand } from "@aws-sdk/client-ec2"; // ES Modules import
 * // const { EC2Client, AssociateSubnetCidrBlockCommand } = require("@aws-sdk/client-ec2"); // CommonJS import
 * // import type { EC2ClientConfig } from "@aws-sdk/client-ec2";
 * const config = {}; // type is EC2ClientConfig
 * const client = new EC2Client(config);
 * const input = { // AssociateSubnetCidrBlockRequest
 *   Ipv6IpamPoolId: "STRING_VALUE",
 *   Ipv6NetmaskLength: Number("int"),
 *   SubnetId: "STRING_VALUE", // required
 *   Ipv6CidrBlock: "STRING_VALUE",
 * };
 * const command = new AssociateSubnetCidrBlockCommand(input);
 * const response = await client.send(command);
 * // { // AssociateSubnetCidrBlockResult
 * //   Ipv6CidrBlockAssociation: { // SubnetIpv6CidrBlockAssociation
 * //     AssociationId: "STRING_VALUE",
 * //     Ipv6CidrBlock: "STRING_VALUE",
 * //     Ipv6CidrBlockState: { // SubnetCidrBlockState
 * //       State: "associating" || "associated" || "disassociating" || "disassociated" || "failing" || "failed",
 * //       StatusMessage: "STRING_VALUE",
 * //     },
 * //     Ipv6AddressAttribute: "public" || "private",
 * //     IpSource: "amazon" || "byoip" || "none",
 * //   },
 * //   SubnetId: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param AssociateSubnetCidrBlockCommandInput - {@link AssociateSubnetCidrBlockCommandInput}
 * @returns {@link AssociateSubnetCidrBlockCommandOutput}
 * @see {@link AssociateSubnetCidrBlockCommandInput} for command's `input` shape.
 * @see {@link AssociateSubnetCidrBlockCommandOutput} for command's `response` shape.
 * @see {@link EC2ClientResolvedConfig | config} for EC2Client's `config` shape.
 *
 * @throws {@link EC2ServiceException}
 * <p>Base exception class for all service exceptions from EC2 service.</p>
 *
 *
 * @public
 */
export declare class AssociateSubnetCidrBlockCommand extends AssociateSubnetCidrBlockCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: AssociateSubnetCidrBlockRequest;
            output: AssociateSubnetCidrBlockResult;
        };
        sdk: {
            input: AssociateSubnetCidrBlockCommandInput;
            output: AssociateSubnetCidrBlockCommandOutput;
        };
    };
}