export interface EqualityOptions {
    /**
     * Considers two NaN values unequal
     */
    uniqueNaNs: boolean;
    /**
     * Considers +0 and -0 unequal
     */
    minusZero: boolean;
    /**
     * Considers new Vector2(1, 2) and { x: 1, y: 2 } equal
     */
    ignorePrototypes: boolean;
    /**
     * Compares the stack property of Error instances
     */
    compareErrorStack: boolean;
}
export declare const DEFAULT_EQUALITY_OPTIONS: EqualityOptions;
export declare const LOOSE_EQUALITY_OPTIONS: EqualityOptions;