/**
 * Differential equation has not been set up yet
 */
export declare class NotInitializedError extends Error {
    constructor(dimension?: number | null);
}
/**
 * Timestep is invalid
 */
export declare class InvalidTimestepError extends Error {
    constructor();
}
/**
 * Final time is invalid
 */
export declare class InvalidFinalTimeError extends Error {
    constructor();
}