/**
 * Script-container extraction for Vue, Svelte, and Astro single-file components.
 *
 * The returned source has exactly the same length and newline positions as the
 * container. Only supported `<script>` bodies survive, so the existing JS/TS
 * extractor can report positions against the original file.
 *
 * change: add-sfc-script-extraction
 */
import { SCRIPT_CONTAINER_FORMATS, type ScriptContainerFormat } from './language-detection.js';
export { SCRIPT_CONTAINER_FORMATS, type ScriptContainerFormat };
export declare const SCRIPT_CONTAINER_LIMITATIONS: readonly ["template expressions", "framework macros", "Svelte reactive statements"];
export interface ScriptContainerLane {
    language: 'JavaScript' | 'TypeScript';
    content: string;
}
export interface ScriptContainerExtraction {
    format: ScriptContainerFormat;
    /** All supported lanes overlaid at original offsets, for non-parser structural passes. */
    content: string | null;
    lanes: ScriptContainerLane[];
    scriptBlockCount: number;
    extractedScriptBlockCount: number;
    sizeCapped: boolean;
}
export interface ScriptContainerFileRecord {
    filePath: string;
    format: ScriptContainerFormat;
    scriptBlockCount: number;
    extractedScriptBlockCount: number;
}
export interface ScriptContainerBoundary {
    format: ScriptContainerFormat;
    extension: string;
    fileCount: number;
    scriptBlockCount: number;
    extractedScriptBlockCount: number;
    limitations: string[];
    files: ScriptContainerFileRecord[];
}
export declare function scriptContainerFormat(filePath: string): ScriptContainerFormat | null;
/** Extract supported script islands, or `null` for a non-container path. */
export declare function extractScriptContainer(filePath: string, source: string): ScriptContainerExtraction | null;
export declare function summarizeScriptContainers(files: ScriptContainerFileRecord[]): ScriptContainerBoundary[];
export declare function describeScriptContainerBoundaries(boundaries: readonly ScriptContainerBoundary[] | undefined): string | undefined;
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