/** The type of structure that a MegatenError may throw from */
export type MegatenErrorType = 'Demon' | 'Persona' | 'Skill';
/** An exception thrown from the megaten package */
export declare class MegatenError extends Error {
    /** The input that caused the exception */
    structureName: string;
    /** The type of structure where no structure matched the input */
    structureType: MegatenErrorType;
    constructor(structureName: string, structureType: MegatenErrorType);
}