BpmnModeler如何只允许查看不允许编辑

[twinkleSun]

1、引用以下几个
import labelEditingProvider from 'bpmn-js/lib/features/label-editing/LabelEditingProvider'
import contextPadProvider from 'bpmn-js/lib/features/context-pad/ContextPadProvider'
import paletteProvider from 'bpmn-js/lib/features/palette/PaletteProvider'
2、添加属性additionalModules，含义见注释

this.bpmnModeler = new BpmnModeler({
         container: canvas,
        //添加控制板
        propertiesPanel: {
          parent: '#js-properties-panel'
        },
        additionalModules: [
          customModule,
          {
           paletteProvider:['value',''], // 禁用左面板
           labelEditingProvider: ['value',''], // 禁用编辑
           contextPadProvider:  ['value',''] // 禁用点击出现的contextPad
          }
        ]
      })

[contorlxys]

我这么设置 为什么没有生效呢