import { type ChangelogCommit } from '@/api/changelog';
import { type DiffLine } from './json-line-diff';
export interface SnapshotResult {
    diff: DiffLine[] | null;
    conflict: boolean;
}
/**
 * Per-commit whole-document diff (kit-dialect records only): state at the
 * commit vs state at its parent, over the backend's changelog/state
 * passthrough. Cached per commit id so re-toggling the view is free; a 409
 * (pre-kit history) is cached too, so it doesn't re-fetch on every toggle.
 */
export declare function useSnapshotDiff(): {
    isLoading: import("vue").Ref<boolean, boolean>;
    result: import("vue").Ref<{
        diff: {
            type: "add" | "del" | "same" | "skip";
            text: string;
        }[] | null;
        conflict: boolean;
    } | null, SnapshotResult | {
        diff: {
            type: "add" | "del" | "same" | "skip";
            text: string;
        }[] | null;
        conflict: boolean;
    } | null>;
    load: (commit: ChangelogCommit) => Promise<void>;
};