import { VFile } from 'vfile';
import type { GenericParent } from 'myst-common';
import { RuleId } from 'myst-common';
import type { PageFrontmatter } from 'myst-frontmatter';
import { SourceFileKind } from 'myst-spec-ext';
import type { ISession } from '../session/types.js';
import type { PreRendererData, RendererData } from '../transforms/types.js';
import type { ValidationOptions } from 'simple-validators';
type LoadFileOptions = {
    preFrontmatter?: Record<string, any>;
    keepTitleNode?: boolean;
    kind?: SourceFileKind;
};
export type LoadFileResult = {
    kind: SourceFileKind;
    mdast: GenericParent;
    frontmatter?: PageFrontmatter;
    identifiers?: string[];
    widgets?: Record<string, any>;
};
export declare function loadMdFile(session: ISession, content: string, file: string, opts?: LoadFileOptions): LoadFileResult;
export declare function loadNotebookFile(session: ISession, content: string, file: string, opts?: LoadFileOptions): Promise<LoadFileResult>;
export declare function loadTexFile(session: ISession, content: string, file: string, opts?: LoadFileOptions): LoadFileResult;
export declare function mystJSONValidationOpts(vfile: VFile, opts?: {
    property?: string;
    ruleId?: RuleId;
}): ValidationOptions;
export declare function loadMySTJSON(session: ISession, content: string, file: string, opts?: LoadFileOptions): {
    mdast: GenericParent;
    kind: SourceFileKind;
    frontmatter: PageFrontmatter;
    identifiers: string[];
};
/**
 * Attempt to load a file into the current session. Unsupported files with
 * issue a warning
 *
 * @param session session with logging
 * @param file path to file to load
 * @param projectPath path to project directory
 * @param extension pre-computed file extension
 * @param opts loading options
 *
 * @param opts.preFrontmatter raw page frontmatter, prioritized over frontmatter
 *     read from the file. Fields defined here will override fields defined
 *     in the file. Unlike project and page frontmatter which are carefully
 *     combined to maintain affiliations, keep all math macros, etc, this
 *     override simply replaces fields prior to any further processing or
 *     validation.
 */
export declare function loadFile(session: ISession, file: string, projectPath?: string, extension?: '.md' | '.ipynb' | '.tex' | '.bib' | '.myst.json', opts?: LoadFileOptions): Promise<PreRendererData | undefined>;
/**
 * Load and process frontmatter parts (e.g., footer, sidebar) from various sources.
 *
 * Parts can be a few things in the frontmatter:
 * - Remote URLs (https://example.com/footer.md) - fetched and cached locally
 * - Local file paths (footer.md) - loaded relative to the config file
 * - Inline content (e.g. `footer: Foo *bar*.`) - parsed and cached using a synthetic path so we can refer to it
 *
 * Returns a modified parts object where each part value is replaced with the
 * resolved file path (or synthetic path for inline content).
 */
export declare function loadFrontmatterParts(session: ISession, file: string, property: string, frontmatter: PageFrontmatter, projectPath?: string): Promise<{
    [k: string]: string[];
}>;
/**
 * Find bibliography files in the given directory, loading them if required
 *
 * @param session session with logging
 * @param dir directory to search
 * @param load load bib files in addition to locating them
 */
export declare function bibFilesInDir(session: ISession, dir: string, load?: boolean): Promise<string[]>;
/**
 * Return the cached post-processed MDAST for the given file, or return undefined
 *
 * @param session session with logging
 * @param file path to file
 */
export declare function selectFile(session: ISession, file: string): RendererData | undefined;
export declare function getRawFrontmatterFromFile(session: ISession, file: string, projectPath?: string): Promise<import("myst-config").ProjectConfig | PageFrontmatter | undefined>;
export {};
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