/**
 * Wraps encodeURIComponent to encode additional characters to fully adhere to RFC 3986.
 * @see https://github.com/aws/aws-sdk-js-v3/blob/86b432c464150069678b25ff88d57c2ca26e75a2/packages/smithy-client/src/extended-encode-uri-component.ts#L7
 *
 * @param uri URI string to encode
 * @returns RFC 3986 encoded string
 *
 * @internal
 */
export declare const extendedEncodeURIComponent: (uri: string) => string;