import { Cid } from '@atproto/lex-data';
import { BlockMap } from './block-map';
import { CidSet } from './cid-set';
import { MST, NodeEntry } from './mst';
export declare class DataDiff {
    adds: Record<string, DataAdd>;
    updates: Record<string, DataUpdate>;
    deletes: Record<string, DataDelete>;
    newMstBlocks: BlockMap;
    newLeafCids: CidSet;
    removedCids: CidSet;
    static of(curr: MST, prev: MST | null): Promise<DataDiff>;
    nodeAdd(node: NodeEntry): Promise<void>;
    nodeDelete(node: NodeEntry): Promise<void>;
    leafAdd(key: string, cid: Cid): void;
    leafUpdate(key: string, prev: Cid, cid: Cid): void;
    leafDelete(key: string, cid: Cid): void;
    treeAdd(cid: Cid, bytes: Uint8Array): void;
    treeDelete(cid: Cid): void;
    addList(): DataAdd[];
    updateList(): DataUpdate[];
    deleteList(): DataDelete[];
    updatedKeys(): string[];
}
export type DataAdd = {
    key: string;
    cid: Cid;
};
export type DataUpdate = {
    key: string;
    prev: Cid;
    cid: Cid;
};
export type DataDelete = {
    key: string;
    cid: Cid;
};
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