export interface ExtractedBlock {
    /** Language the block should be parsed as (`typescript`, `python`, …). */
    language: string;
    /** Source code without the wrapping syntax. */
    source: string;
    /** 1-indexed start line inside the original file. */
    startLine: number;
    /** 1-indexed end line inside the original file. */
    endLine: number;
    /** Optional provenance hint, e.g. `script[lang=ts]` or `cell[3]`. */
    origin: string;
}
/**
 * Extracts every `code`-typed cell from a Jupyter notebook. Cells are
 * concatenated with preserved inter-cell gaps so that code inside each
 * cell keeps its original line offsets.
 */
export declare function extractJupyterCells(raw: string, filename?: string): ExtractedBlock[];
/**
 * Extracts `<script>` blocks from a Svelte component. Supports both
 * the top-level `<script>` (component logic) and `<script context="module">`
 * (module-level code). `lang="ts"` / `lang="typescript"` selects TS;
 * default is JavaScript.
 *
 * The implementation is a deliberately small regex rather than an HTML
 * parser — Svelte templates don't nest `<script>` tags, so boundaries
 * are unambiguous; a full parser would be overkill.
 */
export declare function extractSvelteScripts(raw: string): ExtractedBlock[];
/**
 * Dispatcher that picks the right extractor for a given filename.
 * Returns `null` if the file extension isn't one we handle — callers
 * then fall through to the existing tree-sitter pipeline.
 */
export declare function extractCodeBlocks(filename: string, raw: string): ExtractedBlock[] | null;
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