import type { Quad } from '@rdfjs/types';
import type { RdfTextChunkInput, RdfTextSourceInput } from './types';
export type TextIndexPolicyRole = 'searchableText' | 'displayOnlyText' | 'sensitiveText' | 'structured' | 'relation' | 'system';
export declare function rdfTextIndexPolicyRole(predicate: string): TextIndexPolicyRole;
export declare function createRdfEntityTextChunks(source: RdfTextSourceInput, quads: Quad[], options?: RdfEntityTextProjectionOptions): RdfTextChunkInput[];
export declare function createRdfEntityTextChunksFromText(source: RdfTextSourceInput, text: string, options?: RdfEntityTextProjectionOptions): Promise<RdfTextChunkInput[]>;
export interface RdfEntityTextProjectionOptions {
    maxFieldBytes?: number;
}
export declare function parseRdfTextProjectionQuads(source: RdfTextSourceInput, text: string): Promise<Quad[]>;