export declare const TEXT_EXTENSIONS: Set<string>;
export declare const PDF_EXTENSIONS: Set<string>;
export declare const IMAGE_EXTENSIONS: Set<string>;
export declare const DIAGRAM_EXTENSIONS: Set<string>;
export declare const MEDIA_EXTENSIONS: Set<string>;
export declare const TRANSCRIPT_EXTENSIONS: Set<string>;
export declare const TRANSCRIPT_SUFFIX = ".transcript.txt";
export type IngestKind = "markdown" | "text" | "pdf" | "image" | "diagram" | "media" | "transcript";
export declare function classifyIngestPath(relativePath: string): IngestKind | null;
export declare function guessTagsFromPath(relativePath: string): string[];