import type { FileFinder, FileItem, GrepCursor, GrepMatch, GrepMode, GrepResult, HealthCheck, Location, Result as EngineResult, Score } from "@ff-labs/fff-node";
import type { TruncationResult } from "@earendil-works/pi-coding-agent";
import type { FindFilesError, GrepSearchError, PathResolutionError, RelatedFilesError } from "./errors.js";
import type { AppResult } from "./result-utils.js";
export declare const DEFAULT_FILE_CANDIDATE_LIMIT = 8;
export declare const DEFAULT_GREP_LIMIT = 100;
export declare const DEFAULT_FIND_FILES_LIMIT = 20;
export declare const MAX_MATCHES_PER_FILE = 200;
export declare const AUTO_EXPAND_AFTER_CONTEXT = 6;
export declare const MAX_AUTO_EXPAND_LINES = 5;
export declare const MAX_GREP_CURSOR_STATES = 64;
export declare const CROPPED_MATCH_LINE_WIDTH = 180;
export declare const GREP_CURSOR_PREFIX = "grep:";
export declare const FIND_FILES_CURSOR_PREFIX = "find:";
export type FffFileCandidate = {
    item: FileItem;
    score?: Score;
};
export type ResolvedPath = {
    kind: "resolved";
    query: string;
    absolutePath: string;
    relativePath: string;
    pathType: "file" | "directory";
    location?: Location;
    candidates: FffFileCandidate[];
};
export type PathResolution = AppResult<ResolvedPath, PathResolutionError>;
export type GrepOutputMode = "content" | "files_with_matches" | "count" | "usage";
export type GrepSearchRequest = {
    pattern: string;
    mode?: GrepMode;
    pathQuery?: string;
    glob?: string;
    constraints?: string;
    context?: number;
    limit?: number;
    cursor?: string;
    includeCursorHint?: boolean;
    outputMode?: GrepOutputMode;
};
export type GrepSearchResponse = {
    items: GrepMatch[];
    formatted: string;
    truncation?: TruncationResult;
    matchLimitReached?: number;
    linesTruncated: boolean;
    regexFallbackError?: string;
    scope?: ResolvedPath;
    nextCursor?: string;
    constraintQuery?: string;
    suggestedReadPath?: string;
};
export type FindFilesRequest = {
    query: string;
    limit?: number;
    cursor?: string;
};
export type FindFilesResponse = {
    items: FffFileCandidate[];
    formatted: string;
    nextCursor?: string;
    totalMatched?: number;
    totalFiles?: number;
};
export type RelatedFilesResponse = {
    base: ResolvedPath;
    items: FffFileCandidate[];
};
export type FindFilesResult = AppResult<FindFilesResponse, FindFilesError>;
export type RelatedFilesResult = AppResult<RelatedFilesResponse, RelatedFilesError>;
export type GrepSearchResult = AppResult<GrepSearchResponse, GrepSearchError>;
export type GrepBaseRequest = {
    pathQuery?: string;
    glob?: string;
    constraints?: string;
    context: number;
    limit: number;
    cursor?: string;
    includeCursorHint?: boolean;
    outputMode?: GrepOutputMode;
};
export type SingleGrepRequest = GrepBaseRequest & {
    kind: "single";
    pattern: string;
    mode: GrepMode;
};
export type MultiGrepRequest = GrepBaseRequest & {
    kind: "multi";
    patterns: string[];
};
export type FileCursorPayload = {
    query: string;
    searchQuery?: string;
    pageIndex: number;
    pageSize: number;
};
export type StoredGrepContinuation = {
    requestKey: string;
    remainingItems: GrepMatch[];
    engineCursor: GrepCursor | null;
    regexFallbackError?: string;
};
export type RuntimeOptions = {
    finder?: FileFinder;
    projectRoot?: string;
};
export type RuntimeMetadata = {
    cwd: string;
    projectRoot: string;
    dbDir: string;
    frecencyDbPath: string;
    historyDbPath: string;
    definitionClassification: "heuristic" | "native";
};
export type { EngineResult, FileFinder, FileItem, GrepCursor, GrepMatch, GrepMode, GrepResult, HealthCheck, Location, Score, };
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