import type { MethodRegistry } from '@kokuin/token';
import type { StoreProvider } from '@kubun/db';
import type { CatalogDraftState, CatalogVersionPayload } from '@kubun/store-graph';
export type OwnerCatalogAncestry = ReadonlyMap<string, CatalogVersionPayload>;
export type ChooseCatalogCommonAncestorParams = {
    leftVersionID: string;
    rightVersionID: string;
    ancestry: OwnerCatalogAncestry;
};
export declare function chooseCatalogCommonAncestor(params: ChooseCatalogCommonAncestorParams): string | null;
export type LoadOwnerCatalogAncestryParams = {
    provider: StoreProvider;
    catalogID: string;
    methods: MethodRegistry | undefined;
};
export type OwnerCatalogAncestryPageParams = LoadOwnerCatalogAncestryParams & {
    first: number;
    after?: string;
    viewer: string;
};
export declare class OwnerCatalogAncestryPageError extends Error {
    constructor(options?: ErrorOptions);
}
export declare function pageOwnerCatalogAncestry(params: OwnerCatalogAncestryPageParams): Promise<{
    edges: {
        cursor: string;
        versionID: string;
        payload: CatalogVersionPayload;
    }[];
    pageInfo: {
        endCursor: string | null;
        hasNextPage: boolean;
    };
}>;
/** Only locally admitted owner history supplies merge inputs. */
export declare function loadOwnerCatalogAncestry(params: LoadOwnerCatalogAncestryParams): Promise<OwnerCatalogAncestry>;
export type ReconcileOwnerCatalogBranchesParams = {
    provider: StoreProvider;
    catalogID: string;
    winningHeadVersionID: string;
    ancestry: OwnerCatalogAncestry;
};
export declare function reconcileOwnerCatalogBranches(params: ReconcileOwnerCatalogBranchesParams): Promise<CatalogDraftState | null>;