import type { PreviewWarning, RepoReader, TransferPlan } from "./contract.js";
/** Orders warnings by kind, keeping the order they were added within one kind. */
export declare function sortWarnings(warnings: PreviewWarning[]): PreviewWarning[];
/**
 * Compares the source commit with the current HEAD (FR-37, FR-38). A repository that
 * cannot be read, or a commit this tree does not have, is said to be unknown — never
 * guessed and never left out (FR-36). None of these block (FR-39).
 */
export declare function repoWarning(plan: TransferPlan, repo: RepoReader, cwd: string): Promise<PreviewWarning | null>;
/** The warnings that come from the plan alone. */
export declare function planWarnings(plan: TransferPlan): PreviewWarning[];