function Model(properties) {
        this.modelWeights = [];
        if (properties)
            for (let keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                if (properties[keys[i]] != null)
                    this[keys[i]] = properties[keys[i]];
    }
Constructs a new Model.
@exports Model
@classdesc Represents a Model.
@constructor
@param {IModel=} [properties] Properties to set