import { IntegrationSource } from '../base.js';
import type { SourceOptions, SourceResult } from '../types.js';
/**
 * Notion source - fetches pages and databases from Notion
 *
 * Requires integration token from: https://www.notion.so/my-integrations
 * The integration must be added to the pages/databases you want to access
 */
export declare class NotionSource extends IntegrationSource {
    name: string;
    description: string;
    private readonly API_BASE;
    private readonly API_VERSION;
    protected getRequiredCredentialKey(): string;
    fetch(identifier: string, options?: SourceOptions): Promise<SourceResult>;
    private isNotionUrl;
    private isNotionId;
    private extractIdFromUrl;
    private formatNotionId;
    private fetchByUrl;
    private fetchById;
    private searchNotion;
    private fetchPage;
    private fetchBlocks;
    private fetchDatabase;
    private queryDatabase;
    private apiRequest;
    private formatPage;
    private formatDatabase;
    private getPageTitle;
    private getDatabaseTitle;
    private formatProperties;
    private getPropertyValue;
    private blocksToMarkdown;
    private blockToMarkdown;
    private richTextToPlain;
    getHelp(): string;
}
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