import { AwsRegionExtensionConfiguration } from "@aws-sdk/types";
import { Provider } from "@smithy/types";
export type RegionExtensionRuntimeConfigType = Partial<{
    region: string | Provider<string>;
}>;
/**
 * @internal
 */
export declare const getAwsRegionExtensionConfiguration: (runtimeConfig: RegionExtensionRuntimeConfigType) => {
    setRegion(region: Provider<string>): void;
    region(): Provider<string>;
};
/**
 * @internal
 */
export declare const resolveAwsRegionExtensionConfiguration: (awsRegionExtensionConfiguration: AwsRegionExtensionConfiguration) => RegionExtensionRuntimeConfigType;