import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { ListContactsRequest, ListContactsResult } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
/**
 * @public
 *
 * The input for {@link ListContactsCommand}.
 */
export interface ListContactsCommandInput extends ListContactsRequest {
}
/**
 * @public
 *
 * The output of {@link ListContactsCommand}.
 */
export interface ListContactsCommandOutput extends ListContactsResult, __MetadataBearer {
}
declare const ListContactsCommand_base: {
    new (input: ListContactsCommandInput): import("@smithy/core/client").CommandImpl<ListContactsCommandInput, ListContactsCommandOutput, import("..").SSMContactsClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    new (...[input]: [] | [ListContactsCommandInput]): import("@smithy/core/client").CommandImpl<ListContactsCommandInput, ListContactsCommandOutput, import("..").SSMContactsClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/types").EndpointParameterInstructions;
};
/**
 * <p>Lists all contacts and escalation plans in Incident Manager.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { SSMContactsClient, ListContactsCommand } from "@aws-sdk/client-ssm-contacts"; // ES Modules import
 * // const { SSMContactsClient, ListContactsCommand } = require("@aws-sdk/client-ssm-contacts"); // CommonJS import
 * // import type { SSMContactsClientConfig } from "@aws-sdk/client-ssm-contacts";
 * const config = {}; // type is SSMContactsClientConfig
 * const client = new SSMContactsClient(config);
 * const input = { // ListContactsRequest
 *   NextToken: "STRING_VALUE",
 *   MaxResults: Number("int"),
 *   AliasPrefix: "STRING_VALUE",
 *   Type: "PERSONAL" || "ESCALATION" || "ONCALL_SCHEDULE",
 * };
 * const command = new ListContactsCommand(input);
 * const response = await client.send(command);
 * // { // ListContactsResult
 * //   NextToken: "STRING_VALUE",
 * //   Contacts: [ // ContactsList
 * //     { // Contact
 * //       ContactArn: "STRING_VALUE", // required
 * //       Alias: "STRING_VALUE", // required
 * //       DisplayName: "STRING_VALUE",
 * //       Type: "PERSONAL" || "ESCALATION" || "ONCALL_SCHEDULE", // required
 * //     },
 * //   ],
 * // };
 *
 * ```
 *
 * @param ListContactsCommandInput - {@link ListContactsCommandInput}
 * @returns {@link ListContactsCommandOutput}
 * @see {@link ListContactsCommandInput} for command's `input` shape.
 * @see {@link ListContactsCommandOutput} for command's `response` shape.
 * @see {@link SSMContactsClientResolvedConfig | config} for SSMContactsClient's `config` shape.
 *
 * @throws {@link AccessDeniedException} (client fault)
 *  <p>You don't have sufficient access to perform this operation.</p>
 *
 * @throws {@link InternalServerException} (server fault)
 *  <p>Unexpected error occurred while processing the request.</p>
 *
 * @throws {@link ThrottlingException} (client fault)
 *  <p>The request was denied due to request throttling.</p>
 *
 * @throws {@link ValidationException} (client fault)
 *  <p>The input fails to satisfy the constraints specified by an Amazon Web Services
 *          service.</p>
 *
 * @throws {@link SSMContactsServiceException}
 * <p>Base exception class for all service exceptions from SSMContacts service.</p>
 *
 *
 * @public
 */
export declare class ListContactsCommand extends ListContactsCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: ListContactsRequest;
            output: ListContactsResult;
        };
        sdk: {
            input: ListContactsCommandInput;
            output: ListContactsCommandOutput;
        };
    };
}