import KeyCodesEnum from './keyCodes';
export declare function isLetterKey(code: number): boolean;
export declare function isMetaKey(code: number): boolean;
export declare function isCtrlKey(code: number, platform: string): boolean;
export declare function isCtrlMetaKey(code: KeyCodesEnum): boolean;
export declare function isClear(code: string): boolean;
export declare function isTab(code: string): boolean;
export declare function isEnterKey(code: string): boolean;