/**
 * Shared types for the semantic codebase search subsystem.
 */
/** Languages supported by tree-sitter AST chunking. */
export type TreeSitterLanguage = "typescript" | "tsx" | "javascript" | "python" | "go" | "rust" | "java" | "c" | "cpp" | "gdscript";
/** Non-code file types chunked by format-specific rules. */
export type TextFileType = "markdown" | "yaml" | "json" | "toml" | "plaintext";
/** Union of all recognized file types. */
export type FileType = TreeSitterLanguage | TextFileType;
/** The kind of code construct a chunk represents. */
export type ChunkKind = "function" | "method" | "class" | "interface" | "struct" | "enum" | "impl" | "export" | "type_alias" | "module" | "heading_section" | "top_level_key" | "paragraph" | "file";
/** A chunk of code or text extracted from a file. */
export interface Chunk {
    /** Relative file path from project root. */
    filePath: string;
    /** 1-indexed start line in the source file. */
    startLine: number;
    /** 1-indexed end line (inclusive) in the source file. */
    endLine: number;
    /** The kind of construct this chunk represents. */
    kind: ChunkKind;
    /** Symbol name (function name, class name, heading text, etc.). Null for anonymous chunks. */
    name: string | null;
    /** The raw source text of the chunk. */
    content: string;
    /** Detected file type. */
    fileType: FileType;
}
/** Configuration for the search index. */
export interface IndexConfig {
    /** Absolute path to the project root. */
    projectRoot: string;
    /** Absolute path to the index database directory. */
    indexDir: string;
    /** Absolute path to the global memory directory (e.g. ~/.dreb/memory/). */
    globalMemoryDir?: string;
    /** Additional directories to include in scans (bypasses gitignore). */
    visibleDirs?: string[];
    /** Embedding model name (used to key the embeddings table). */
    modelName: string;
}
/** Stored metadata for a file in the index. */
export interface IndexedFile {
    id: number;
    filePath: string;
    mtime: number;
    fileType: FileType;
}
/** A stored chunk row from the database. */
export interface StoredChunk {
    id: number;
    fileId: number;
    filePath: string;
    startLine: number;
    endLine: number;
    kind: ChunkKind;
    name: string | null;
    content: string;
    fileType: FileType;
}
/** A stored embedding row. */
export interface StoredEmbedding {
    chunkId: number;
    modelName: string;
    vector: Float32Array;
}
/** A single search result with scores and metadata. */
export interface SearchResult {
    /** The chunk this result refers to. */
    chunk: StoredChunk;
    /** Individual metric scores (0–1, higher is better). */
    scores: MetricScores;
    /** Combined rank from POEM (lower is better, 0 = top of Pareto front). */
    rank: number;
}
/** Scores from each ranking metric. */
export interface MetricScores {
    bm25: number;
    cosine: number;
    pathMatch: number;
    symbolMatch: number;
    importGraph: number;
    gitRecency: number;
}
/** Names of the 6 ranking metrics. */
export type MetricName = keyof MetricScores;
/** All metric names as an array for iteration. */
export declare const METRIC_NAMES: MetricName[];
/** Progress reporting callback for index operations. */
export type IndexProgressCallback = (phase: string, current: number, total: number) => void;
/** A resolved import edge: source file imports target file. */
export interface ImportEdge {
    /** Relative path of the importing file. */
    source: string;
    /** Relative path of the imported file. */
    target: string;
}
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