import type { AwsCredentialIdentityProvider } from "@smithy/types";
import type { RemoteProviderInit } from "./fromContainerMetadata";
/**
 * Creates a credential provider function that reads from the EC2 instance metadata service.
 *
 * ```javascript
 * import { fromInstanceMetadata } from "@aws-sdk/credential-providers"; // ES6 import
 * // const { fromInstanceMetadata } = require("@aws-sdk/credential-providers"); // CommonJS import
 *
 * const client = new DynamoDBClient({
 *   credentials: fromInstanceMetadata({
 *     // Optional. The connection timeout (in milliseconds) to apply to any remote requests. If not specified, a
 *     // default value of`1000` (one second) is used.
 *     timeout: 1000,
 *     // Optional. The maximum number of times any HTTP connections should be retried. If not specified, a default
 *     // value of `0` will be used.
 *     maxRetries: 0,
 *   }),
 * });
 * ```
 *
 * @public
 */
export declare const fromInstanceMetadata: (init?: RemoteProviderInit) => AwsCredentialIdentityProvider;