code: function FixedType(attrs, opts) {
    Type.call(this, attrs, opts);
  
    if (attrs.size !== (attrs.size | 0) || attrs.size < 1) {
      throw new Error(f('invalid %s fixed size', this.getName(true)));
    }
    this._size = attrs.size | 0;
  }
docs: Avro fixed type.
  
  Represented simply as a `Buffer`.