code: function ArrayType(schema, opts) {
    Type.call(this);
    if (!schema.items) {
      throw new Error(f('missing array items: %j', schema));
    }
    this.itemsType = Type.forSchema(schema.items, opts);
    this._branchConstructor = this._createBranchConstructor();
    Object.freeze(this);
  }
docs: Avro array. Represented as vanilla arrays.