export interface DocumentInput<Metadata extends Record<string, any> = Record<string, any>> {
    pageContent: string;
    metadata?: Metadata;
    /**
     * An optional identifier for the document.
     *
     * Ideally this should be unique across the document collection and formatted
     * as a UUID, but this will not be enforced.
     */
    id?: string;
}
export interface DocumentInterface<Metadata extends Record<string, any> = Record<string, any>> {
    pageContent: string;
    metadata: Metadata;
    /**
     * An optional identifier for the document.
     *
     * Ideally this should be unique across the document collection and formatted
     * as a UUID, but this will not be enforced.
     */
    id?: string;
}
/**
 * Interface for interacting with a document.
 */
export declare class Document<Metadata extends Record<string, any> = Record<string, any>> implements DocumentInput, DocumentInterface {
    pageContent: string;
    metadata: Metadata;
    /**
     * An optional identifier for the document.
     *
     * Ideally this should be unique across the document collection and formatted
     * as a UUID, but this will not be enforced.
     */
    id?: string;
    constructor(fields: DocumentInput<Metadata>);
}