import { ExecuteGoal, PushTest, SoftwareDeliveryMachine } from "@atomist/sdm";
import { ProjectIdentifier } from "@atomist/sdm-core";
export declare const HasHomebrewFormula: PushTest;
/**
 * Compute SHA256 hash of file contents.
 *
 * @param file path to file
 * @return hex SHA256 of file contents
 */
export declare function fileSha256(file: string): Promise<string>;
/**
 * Create the Homebrew formula and commit it to the tap.
 */
export declare function executeReleaseHomebrew(projectIdentifier: ProjectIdentifier): ExecuteGoal;
export declare function addHomebrewSupport(sdm: SoftwareDeliveryMachine): SoftwareDeliveryMachine;