type JsonValue = string | number | boolean | {
    [key: string]: JsonValue;
} | JsonValue[];
type FormFields = {
    [key: string]: JsonValue;
};
type FetchLike = typeof fetch;
type GotoHumanConfig = {
    fetch?: FetchLike;
    origin?: string;
    originV?: string;
    baseUrl?: string;
};
type ReviewResponse = {
    reviewId: string;
    gthLink?: string;
};
declare class Review {
    private readonly formId;
    private readonly apiKey;
    private readonly baseUrl;
    private readonly fetchImpl;
    private readonly origin;
    private readonly originV;
    private fields;
    private meta;
    private assignTo?;
    private assignToGroups?;
    constructor(formId: string, apiKey: string, baseUrl: string, fetchImpl: FetchLike, origin: string, originV: string);
    /**
     * Add a field value to the review
     */
    addFieldData(fieldName: string, value?: JsonValue): Review;
    /**
     * Set multiple field values at once
     */
    setFieldsData(fields?: FormFields): Review;
    /**
     * Clear all fields in the current review
     */
    clearFieldData(): Review;
    /**
     * Add a field to the meta data
     */
    addMetaData(attribute: string, value?: JsonValue): Review;
    /**
     * Set multiple meta field values at once
     */
    setMetaData(fields?: FormFields): Review;
    /**
     * Assign the review request to specific users
     */
    assignToUsers(userEmails: string[]): Review;
    /**
     * Assign the review request to specific user groups
     */
    assignToUserGroups(groupIds: string[]): Review;
    /**
     * Send the review request to the API
     */
    sendRequest(): Promise<ReviewResponse>;
}
declare class GotoHuman {
    private baseUrl;
    private apiKey;
    private fetchImpl;
    private origin;
    private originV;
    constructor(params?: {
        apiKey?: string;
    } & GotoHumanConfig);
    /**
     * Initialize a new review with a form ID
     */
    createReview(formId: string | undefined): Review;
    /**
     * Fetch all available review forms
     */
    fetchReviewForms(): Promise<any>;
    /**
     * Fetch the schema for a specific form's fields
     */
    fetchSchemaForFormFields(formId: string): Promise<any>;
    /**
     * Retrieves the base URL from the environment variable.
     * @returns The base URL if set, otherwise undefined.
     */
    private static getBaseUrlFromEnv;
    /**
     * Retrieves the API key from the environment variable.
     * @returns The API key if set, otherwise undefined.
     */
    private static getApiKeyFromEnv;
}

export { type FormFields, GotoHuman, type JsonValue, Review, type ReviewResponse };