lib/plugins/aws/package/compile/layers/index.js/AwsCompileLayers/cfLambdaLayerPermissionTemplate
class AwsCompileLayers:  cfLambdaLayerPermissionTemplate() {
    return {
      Type: 'AWS::Lambda::LayerVersionPermission',
      Properties: {
        Action: 'lambda:GetLayerVersion',
        LayerVersionArn: 'LayerVersionArn',
        Principal: 'Principal',
      },
    };
  }