static get state () {
        switch ( state ) {
            default: return 'ERROR';
            case 0: return 'CREATING';
            case 1: return 'INITIALIZING';
            case 2: return 'RUNNING';
            case 3: return 'READY';
        }
    }
/**
     * @description
     <strong> states of Core. </strong>
     <br/>
     <br/> Each state of initialization of Core has state name
     <br/> 1. 'CREATING'        Before you run "{@link Core.initialize}"
     <br/> 2. 'INITIALIZING'    After you run "{@link Core.initialize}" but before the all modules will initialized
     <br/> 3. 'RUNNING'         After all modules will initialized but before the application has start
     <br/> 4. 'READY'           Application run all modules, make all preparations and started.
     <br/>
     <br/> -. 'ERROR'           Run application has fail...
     <br/>
     * @example
     * Core.state === 'INITIALIZING'
     * @readonly
     * @private
     */
@description
 states of Core. 

 Each state of initialization of Core has state name
 1. 'CREATING'        Before you run " Core.initialize"
 2. 'INITIALIZING'    After you run " Core.initialize" but before the all modules will initialized
 3. 'RUNNING'         After all modules will initialized but before the application has start
 4. 'READY'           Application run all modules, make all preparations and started.
@description states of Core . Each state of initialization of Core has state name 1 . ' CREATING ' Before you run " Core . initialize " 2 . ' INITIALIZING ' After you run " Core . initialize " but before the all modules will initialized 3 . ' RUNNING ' After all modules will initialized but before the application has start 4 . ' READY ' Application run all modules make all preparations and started .
static get state () {
        switch ( state ) {
            default: return 'ERROR';
            case 0: return 'CREATING';
            case 1: return 'INITIALIZING';
            case 2: return 'RUNNING';
            case 3: return 'READY';
        }
    }
static get state ( ) { switch ( state ) { default : return 'ERROR' ; case 0 : return 'CREATING' ; case 1 : return 'INITIALIZING' ; case 2 : return 'RUNNING' ; case 3 : return 'READY' ; } }
@description
<strong> states of Core.
@description <strong > states of Core .