export declare const READER_CHUNK_POLICY_VERSION: "markdown-mdast-v1";
export declare const MARKDOWN_RETRIEVAL_POINT_MAX_BYTES = 8192;
export interface MarkdownRetrievalPointProjectionInput {
    sourceKey: string;
    sourceUri: string;
    representationHash: string;
    markdown: string;
}
export interface MarkdownRetrievalPoint {
    sourceKey: string;
    sourceUri: string;
    representationHash: string;
    chunkPolicyVersion: typeof READER_CHUNK_POLICY_VERSION;
    chunkKey: string;
    retrievalPointKey: string;
    retrievalKind: 'file-chunk';
    ordinal: number;
    subdivisionOrdinal: number;
    structuralPath: string;
    sectionPath: string;
    level: number;
    heading?: string;
    path: string[];
    content: string;
    startOffset: number;
    endOffset: number;
    startByte: number;
    endByte: number;
}
export declare class MarkdownRetrievalPointProjector {
    project(input: MarkdownRetrievalPointProjectionInput): MarkdownRetrievalPoint[];
    private collectLeaves;
}