import { ProgressLog } from "@atomist/sdm";
import { S3 } from "aws-sdk";
import { PublishToS3Options } from "./options";
declare type QuantityDeleted = number;
declare type SuccessfullyPushedKey = string;
declare type Warning = string;
export declare function deleteKeys(s3: S3, log: ProgressLog, params: PublishToS3Options, keysToDelete: S3.ObjectIdentifier[]): Promise<[QuantityDeleted, Warning[]]>;
export declare function gatherKeysToDelete(s3: S3, log: ProgressLog, keysToKeep: SuccessfullyPushedKey[], params: PublishToS3Options): Promise<[S3.ObjectIdentifier[], Warning[]]>;
/**
 * Remove objects that either have no key or match a key in `keys`.
 *
 * @param keys Keys that should be removed from `objects`
 * @param objects Array to filter
 * @return Array of object identifiers
 */
export declare function filterKeys(keys: string[], objects: S3.Object[]): S3.ObjectIdentifier[];
export {};
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