import type { AuthorizationEvidenceReference } from '../policy/types.js';
import type { ContextItem, ContextManifest, ContextOmission, RetrievalRequest } from './types.js';
export declare function estimateTokens(content: string): number;
export declare function quoteEvidence(content: string, sourceId: string): string;
export declare function createContextManifest(request: RetrievalRequest, items: ContextItem[], omitted: ContextOmission[], tokenBudget: number, authorization?: AuthorizationEvidenceReference): ContextManifest;