import type { LanguagePlugin } from "@volar/language-core";
import type { MdxTsOptions } from "./options.js";
/**
 * Marks the start of the injected frontmatter value-validation block in the
 * generated code. The `scoped` language-features mode uses it to recognize YAML
 * frontmatter positions (which map into this block, not onto a `frontmatter.`
 * expression) as in-scope for hover/definition.
 */
export declare const FRONTMATTER_SCOPE_SENTINEL = "/*mdx-tsc-fm*/";
export interface MdxTsPluginHostOptions {
    /**
     * Whether to translate MDX parse errors into TypeScript diagnostics. On for
     * the CLI; off for the language server, where the official MDX extension's
     * service already reports parse errors (avoids duplicate diagnostics).
     */
    surfaceParseErrors?: boolean;
}
/**
 * Build the MDX language plugin used for a program: the upstream
 * `@mdx-js/language-service` plugin, extended with frontmatter typing.
 *
 * The frontmatter plugin needs the current file to match schema globs, but the
 * upstream `VirtualCodePlugin` contract passes no filename. We bridge that by
 * wrapping `createVirtualCode` to record the file in a closure variable that the
 * plugin reads during `finalize()` — sound because upstream instantiates and
 * runs plugins synchronously within `createVirtualCode`.
 */
export declare function createMdxTsLanguagePlugin(options: MdxTsOptions, host?: MdxTsPluginHostOptions): LanguagePlugin<any>;