import { Memory } from './memory/memory.ts';
export declare function cosineDistance(a: number[], b: number[]): number;
export declare function embedMemoryFields(node: Memory, llm: any): Promise<void>;
export declare function euclideanDistance(a: number[], b: number[]): number;
export declare function getWeekStart(date?: Date): string;
export declare function journalDescription(journalName?: string): string;
export declare function writeFrontmatter(fm: Map<string, string>, body: string): string;
export declare function stripHeader(content: string): string;
export declare function updateMemory(node: Memory, body: string): string;