/**
 * ContextGenerator — markdown summaries for agent prompt injection.
 *
 * Ranks facts by confidence, then connectedness, then freshness; assembles
 * the spec'd sections and trims to a token budget (≈4 chars/token). Entities
 * below the stale-confidence floor are excluded unless explicitly requested
 * (KG Req 6.1–6.5, 7.5).
 *
 * @module
 */
import type { ContextOutput } from './types.js';
import type { KnowledgeIndex } from './index/knowledge-index.js';
export type ContextScope = {
    type: 'full';
} | {
    type: 'phase';
    phase: string;
} | {
    type: 'file';
    path: string;
};
export interface ContextOptions {
    maxTokens?: number;
    includeStale?: boolean;
}
/** Default token budget for generated context (KG Req 6.4). */
export declare const DEFAULT_MAX_TOKENS = 2000;
export declare class ContextGenerator {
    private readonly index;
    constructor(index: KnowledgeIndex);
    generate(scope: ContextScope, options?: ContextOptions): ContextOutput;
    private entitiesForScope;
}
/** Rough token estimate: 1 token ≈ 4 characters. */
export declare function estimateTokens(text: string): number;
//# sourceMappingURL=context-generator.d.ts.map