How to use the @angular/flex-layout/core.BaseDirectiveAdapter function in @angular/flex-layout

_configureAdapters() {
        this._base = new BaseDirectiveAdapter('ngStyle', this.monitor, this._ngEl, this._styler);
        if (!this._ngStyleInstance) {
            // Create an instance NgClass Directive instance only if `ngClass=""` has NOT been
            // defined on the same host element; since the responsive variations may be defined...
            this._ngStyleInstance = new NgStyle(this._differs, this._ngEl, this._renderer);
        }
        this._buildCacheInterceptor();
        this._fallbackToStyle();
    }
    /**

_configureAdapters() {
        this._base = new BaseDirectiveAdapter('ngClass', this.monitor, this._ngEl, this._styler);
        if (!this._ngClassInstance) {
            // Create an instance NgClass Directive instance only if `ngClass=""` has NOT been defined on
            // the same host element; since the responsive variations may be defined...
            this._ngClassInstance = new NgClass(this._iterableDiffers, this._keyValueDiffers, this._ngEl, this._renderer);
        }
    }
    /**

function () {
        this._base = new BaseDirectiveAdapter('ngStyle', this.monitor, this._ngEl, this._styler);
        if (!this._ngStyleInstance) {
            // Create an instance NgClass Directive instance only if `ngClass=""` has NOT been
            // defined on the same host element; since the responsive variations may be defined...
            this._ngStyleInstance = new NgStyle(this._differs, this._ngEl, this._renderer);
        }
        this._buildCacheInterceptor();
        this._fallbackToStyle();
    };
    /**

function () {
        this._base = new BaseDirectiveAdapter('ngClass', this.monitor, this._ngEl, this._styler);
        if (!this._ngClassInstance) {
            // Create an instance NgClass Directive instance only if `ngClass=""` has NOT been defined on
            // the same host element; since the responsive variations may be defined...
            this._ngClassInstance = new NgClass(this._iterableDiffers, this._keyValueDiffers, this._ngEl, this._renderer);
        }
    };
    /**