import type { ProjectConfig, SiteConfig } from 'myst-config';
import { VFile } from 'vfile';
import type { ISession } from './session/types.js';
export declare function defaultConfigFile(session: ISession, path: string): string;
export declare function configFromPath(session: ISession, path: string): string | undefined;
/**
 * Mutate config object to coerce deprecated frontmatter fields to valid schema
 */
export declare function handleDeprecatedFields(conf: {
    site?: Record<string, any>;
    project?: Record<string, any>;
}, file: string, vfile: VFile): void;
/**
 * Load site/project config from local path to redux store
 *
 * Errors if config file does not exist or if config file exists but is invalid.
 */
export declare function loadConfig(session: ISession, path: string, opts?: {
    reloadProject?: boolean;
}): Promise<import("./store/types.js").ValidatedRawConfig | {
    site: SiteConfig | undefined;
    project: ProjectConfig | undefined;
    extend: string[] | undefined;
} | undefined>;
/**
 * Write site config and config to path, if available
 *
 * If newConfigs are provided, the redux store will be updated with these
 * configs before writing.
 *
 * If a config file exists on the path, this will override the
 * site portion of the config and leave the rest.
 */
export declare function writeConfigs(session: ISession, path: string, newConfigs?: {
    siteConfig?: Record<string, any>;
    projectConfig?: Record<string, any>;
}): Promise<void>;
export declare function findCurrentProjectAndLoad(session: ISession, path: string): Promise<string | undefined>;
export declare function findCurrentSiteAndLoad(session: ISession, path: string): Promise<string | undefined>;
export declare function reloadAllConfigsForCurrentSite(session: ISession): Promise<void>;
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