/**
 * Maximum directory recursion depth when scanning a base directory or ingest
 * target. Applied identically by the CLI `ingest`/`list` walkers and the MCP
 * server's `list_files` scan so the boundary is consistent everywhere.
 */
export declare const MAX_SCAN_DEPTH = 10;
/**
 * Default maximum file size for ingestion, in bytes (100 MB). Used when neither
 * the CLI `--max-file-size` flag nor the `MAX_FILE_SIZE` env var is provided.
 */
export declare const DEFAULT_MAX_FILE_SIZE = 104857600;
/**
 * Hard upper bound (inclusive) for the configurable max file size, in bytes
 * (500 MB). Values above this are rejected by `validateMaxFileSize`.
 */
export declare const MAX_FILE_SIZE_LIMIT = 524288000;
/** Inclusive result-count range shared by CLI, MCP validation, and VectorStore. */
export declare const MIN_QUERY_LIMIT = 1;
export declare const MAX_QUERY_LIMIT = 100;
/** Maximum number of adjacent chunks accepted on either side of a target. */
export declare const MAX_NEIGHBOR_COUNT = 50;
/** Inclusive upper bound for the configurable minimum chunk length. */
export declare const MAX_CHUNK_MIN_LENGTH = 10000;
/** Maximum encoded bytes for one visual attachment returned with a chunk. */
export declare const MAX_VISUAL_RENDITION_BYTES: number;
/**
 * Per-call budget for the external reranker, and the inclusive range accepted
 * for `RAG_RERANK_TIMEOUT_MS`. The range is explicit because Node's timers
 * clamp a delay below 1 or above 2^31-1 to 1ms, so a bare number check would
 * accept values that make every rerank time out immediately.
 */
export declare const DEFAULT_RERANK_TIMEOUT_MS = 10000;
export declare const RERANK_TIMEOUT_MIN_MS = 100;
export declare const RERANK_TIMEOUT_MAX_MS = 600000;
/**
 * Candidates fetched per requested result when a reranker is configured, so it
 * has more to choose from than the caller asked for. Not a setting: nothing
 * asks for it to be tuned.
 */
export declare const RERANK_CANDIDATE_MULTIPLIER = 3;
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