export declare type SpacingProp = '0' | '0.5' | '1' | '1.5' | '2' | '2.5' | '3' | '3.5' | '4' | '5' | '6' | '7' | '8' | '9' | '10' | '11' | '12' | '14' | '16' | '20' | '24' | '28' | '32' | '36' | '40' | '44' | '48' | '52' | '56' | '60' | '64' | '72' | '80' | '96';
export declare type MarginProp = 'normal' | 'dense' | 'none';