import type { GitOperations } from "./git-operations.js";
/**
 * Narrow seam used by the commit picker to read commit history.
 *
 * The interface exposes only the operations the picker UI actually needs:
 * HEAD resolution and recent commit listing. This keeps the picker module
 * deep while making the seam real with two adapters: a production wrapper
 * around {@link GitOperations} and an in-memory fake for tests.
 */
export interface PickerStore {
    /** Get the current HEAD commit SHA, or `null` when it cannot be resolved. */
    getHead(): Promise<string | null>;
    /**
     * Return the last N commits in `%H%x00%s` format, newest first.
     *
     * @param maxCount maximum number of commits to return
     * @param skip number of commits to skip from HEAD (for pagination)
     */
    getRecentCommits(maxCount: number, skip?: number): Promise<string>;
    /**
     * SHA of the upstream tip (`@{upstream}`, falling back to `origin/HEAD`),
     * or `null` when no upstream can be resolved.
     */
    getUpstreamTip(): Promise<string | null>;
}
/**
 * Production adapter: satisfies {@link PickerStore} by delegating to
 * {@link GitOperations}.
 */
export declare class GitPickerStore implements PickerStore {
    private readonly git;
    constructor(git: GitOperations);
    getHead(): Promise<string | null>;
    getRecentCommits(maxCount: number, skip?: number): Promise<string>;
    getUpstreamTip(): Promise<string | null>;
}
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