/**
 * @type {Symbol}
 */
export const HAS_MANY = Symbol('has many')

/**
 * @type {Symbol}
 */
export const BELONGS_TO = Symbol('belongs to')

/**
 * @type {Symbol}
 */
export const HAS_ONE = Symbol('has one')

/**
 * @type {Symbol}
 */
export const HAS_MANY = Symbol('has many')

/**
 * @type {Symbol}
 */
export const BELONGS_TO = Symbol('belongs to')

/**
 * @type {Symbol}
 */
export const BELONGS_TO_MANY = Symbol('belongs to many')

add constants for relationships