import TOSBase from '../base';
export interface PutObjectRetentionInput {
    bucket?: string;
    key: string;
    versionId?: string;
    mode: 'COMPLIANCE';
    retainUntilDate: string;
}
export interface PutObjectRetentionOutput {
}
/**
 * @private unstable method
 */
export declare function putObjectRetention(this: TOSBase, input: PutObjectRetentionInput): Promise<import("../base").TosResponse<PutObjectRetentionOutput>>;
export interface GetObjectRetentionInput {
    bucket?: string;
    key: string;
    versionId?: string;
}
export interface GetObjectRetentionOutput {
    Mode?: string;
    RetainUntilDate?: string;
}
/**
 * @private unstable method
 */
export declare function getObjectRetention(this: TOSBase, input: GetObjectRetentionInput): Promise<import("../base").TosResponse<GetObjectRetentionOutput>>;