get(modelName) {
        const allModels = this.registry.concat(this.implicitThroughModels);
        const found = Object.values(allModels).find(
            (model) => model.modelName === modelName
        );

        if (typeof found === "undefined") {
            throw new Error(`Did not find model ${modelName} from registry.`);
        }
        return found;
    }
Gets a {@link Model} class by its name from the registry.
@param  {string} modelName - the name of the {@link Model} class to get
@throws If {@link Model} class is not found.
@return {Model} the {@link Model} class, if found