/**
 * A general message to ask user to try again later.
 */
declare const TRY_AGAIN_LATER = "Please try again later";
/**
 * A map of error types to secondary error messages.
 */
declare const SECONDARY_ERROR_MESSAGES: {
    MAX_RETRY: string;
    NO_TOKENS: string;
    USER_NOT_FOUND: string;
    GRAPHQL_ERROR: string;
    GITHUB_REST_API_ERROR: string;
    WAKATIME_USER_NOT_FOUND: string;
    INVALID_AFFILIATION: string;
};
/**
 * Custom error class to handle custom GRS errors.
 */
declare class CustomError extends Error {
    type: string;
    secondaryMessage: string;
    /**
     * Custom error constructor.
     *
     * @param message Error message.
     * @param type Error type.
     */
    constructor(message: string, type: string);
    static MAX_RETRY: string;
    static NO_TOKENS: string;
    static USER_NOT_FOUND: string;
    static GRAPHQL_ERROR: string;
    static GITHUB_REST_API_ERROR: string;
    static WAKATIME_ERROR: string;
    static INVALID_AFFILIATION: string;
}
/**
 * Missing query parameter class.
 */
declare class MissingParamError extends Error {
    missedParams: Array<string>;
    secondaryMessage: string | undefined;
    /**
     * Missing query parameter error constructor.
     *
     * @param missedParams An array of missing parameters names.
     * @param secondaryMessage Optional secondary message to display.
     */
    constructor(missedParams: Array<string>, secondaryMessage?: string);
}
/**
 * Retrieve secondary message from an error object.
 *
 * @param err The error object.
 * @returns The secondary message if available, otherwise undefined.
 */
declare const retrieveSecondaryMessage: (err: Error) => string | undefined;
/**
 * Structured details of a caught error for API results.
 */
export interface ErrorDetails {
    /** Error type such as `MAX_RETRY`. Absent when the error has no type. */
    type?: string;
    message: string;
    secondaryMessage?: string;
}
/**
 * Extract structured details from a caught error.
 *
 * Callers attach the result to API results as an optional `error` field.
 *
 * @param err The caught error.
 * @returns The available error details.
 */
declare const describeError: (err: Error) => ErrorDetails;
export { CustomError, MissingParamError, SECONDARY_ERROR_MESSAGES, TRY_AGAIN_LATER, describeError, retrieveSecondaryMessage, };
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