import type { AppConfig, PlainData } from './types';
export type { AppConfig, PlainData } from './types';
export declare function getBaseUrl(config: AppConfig): string;
export declare function initialize(projectId: string, accessToken: string, options?: {
    baseUrl?: string;
    databaseId?: string;
}): AppConfig;
type UpdateDocumentResponse = {
    name: string;
    fields: {
        meta: {
            mapValue: {
                fields: PlainData;
            };
        };
    };
    createTime: string;
    updateTime: string;
};
type SignInResponse = {
    kind: 'identitytoolkit#VerifyCustomTokenResponse';
    idToken: string;
    refreshToken: string;
    expiresIn: string;
    isNewUser: boolean;
};
type RefreshTokenResponse = {
    idToken: string;
    refreshToken: string;
};
/**
 * Signs in with a custom token.
 * @param apiKey The public API key.
 * @param customToken The custom token.
 * @returns The sign-in response.
 */
export declare function signInWithCustomToken(apiKey: string, customToken: string): Promise<SignInResponse>;
/**
 * Refreshes an id token using an existing refresh token.
 * @param apiKey The public API key.
 * @param refreshToken The refresh token.
 * @returns The refresh token response.
 */
export declare function refreshIdToken(apiKey: string, refreshToken: string): Promise<RefreshTokenResponse>;
/**
 * Updates a Firestore document with the specified fields using a merge-like update.
 * @param documentPath The path to the document.
 * @param fields The fields to update.
 */
export declare function updateDocumentWithMerge(config: AppConfig, documentPath: string[], fields: PlainData): Promise<UpdateDocumentResponse>;
/**
 * Sets a Firestore document with the specified fields.
 * @param documentPath The path to the document.
 * @param fields The fields to set.
 */
export declare function setDocument(config: AppConfig, documentPath: string[], fields: PlainData): Promise<UpdateDocumentResponse>;
/**
 * Gets a Firestore document.
 * @param documentPath The path to the document.
 * @returns The document.
 */
export declare function getDocument<T>(config: AppConfig, documentPath: string[]): Promise<T>;