import { BuildHandlerOptions, Pluggable } from "@smithy/types";
import { PreviouslyResolved } from "./configuration";
export declare const flexibleChecksumsMiddlewareOptions: BuildHandlerOptions;
export interface FlexibleChecksumsMiddlewareConfig {
    /**
     * The input object for the operation.
     */
    input: Object;
    /**
     * Indicates an operation requires a checksum in its HTTP request.
     */
    requestChecksumRequired: boolean;
    /**
     * Defines a top-level operation input member that is used to configure request checksum behavior.
     */
    requestAlgorithmMember?: string;
    /**
     * Defines a top-level operation input member used to opt-in to best-effort validation
     * of a checksum returned in the HTTP response of the operation.
     */
    requestValidationModeMember?: string;
    /**
     * Defines the checksum algorithms clients SHOULD look for when validating checksums
     * returned in the HTTP response.
     */
    responseAlgorithms?: string[];
}
export declare const getFlexibleChecksumsPlugin: (config: PreviouslyResolved, middlewareConfig: FlexibleChecksumsMiddlewareConfig) => Pluggable<any, any>;
