code: function addDependentModel (propertyName, dependencyName, model, cellDefinitions) {
    const cell = addModel(propertyName, model, cellDefinitions)
    cell.dependsOn = dependencyName
    return cell
  }
docs: Add a property to default layout
  @param {String} propertyName - the name of the property that holds this model
  @param {String} dependencyName - the name of the dependency of this model
  @param {BunsenModel} model - the actual model
  @param {BunsenCell[]} cellDefinitions - the set of all cell definitions
  @returns {BunsenCell} - The new cell