import { Memory, MemoryCache } from './memory.ts';
export type MemoryNode = {
    name: string;
    missing: boolean;
    links: string[];
    backlinks: string[];
};
export declare function extractLinks(content: string): string[];
/**
 * Incrementally patch the graph for a set of changed memories, instead of
 * re-scanning every document. Only the changed memories' own content is
 * re-parsed for links; affected targets have their backlinks patched.
 * Does NOT handle node deletion — full rebuildGraph() is still required
 * when a memory is removed, since that needs a backlink sweep across
 * everyone who might reference it.
 */
export declare function patchGraph(mems: Memory[], nodes: MemoryNode[], changed: Memory[]): MemoryNode[];
export declare function rebuildGraph(memories: Memory[] | MemoryCache): MemoryNode[];
export declare function renderMemoryGraph(nodes: MemoryNode[]): string;