/**
  * {@inheritdoc}
  */
 public function readFrom(\Protobuf\ReadContext $context)
 {
     $reader = $context->getReader();
     $length = $context->getLength();
     $stream = $context->getStream();
     $limit = $length !== null ? $stream->tell() + $length : null;
     while ($limit === null || $stream->tell() < $limit) {
         if ($stream->eof()) {
             break;
         }
         $key = $reader->readVarint($stream);
         $wire = \Protobuf\WireFormat::getTagWireType($key);
         $tag = \Protobuf\WireFormat::getTagFieldNumber($key);
         if ($stream->eof()) {
             break;
         }
         if ($tag === 1) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             $this->name = $reader->readString($stream);
             continue;
         }
         if ($tag === 2) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\FieldDescriptorProto();
             if ($this->field === null) {
                 $this->field = new \Protobuf\MessageCollection();
             }
             $this->field->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 6) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\FieldDescriptorProto();
             if ($this->extension === null) {
                 $this->extension = new \Protobuf\MessageCollection();
             }
             $this->extension->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 3) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\DescriptorProto();
             if ($this->nested_type === null) {
                 $this->nested_type = new \Protobuf\MessageCollection();
             }
             $this->nested_type->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 4) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\EnumDescriptorProto();
             if ($this->enum_type === null) {
                 $this->enum_type = new \Protobuf\MessageCollection();
             }
             $this->enum_type->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 5) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\DescriptorProto\ExtensionRange();
             if ($this->extension_range === null) {
                 $this->extension_range = new \Protobuf\MessageCollection();
             }
             $this->extension_range->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 8) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\OneofDescriptorProto();
             if ($this->oneof_decl === null) {
                 $this->oneof_decl = new \Protobuf\MessageCollection();
             }
             $this->oneof_decl->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 7) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\MessageOptions();
             $this->options = $innerMessage;
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 9) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\DescriptorProto\ReservedRange();
             if ($this->reserved_range === null) {
                 $this->reserved_range = new \Protobuf\MessageCollection();
             }
             $this->reserved_range->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 10) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             if ($this->reserved_name === null) {
                 $this->reserved_name = new \Protobuf\ScalarCollection();
             }
             $this->reserved_name->add($reader->readString($stream));
             continue;
         }
         $extensions = $context->getExtensionRegistry();
         $extension = $extensions ? $extensions->findByNumber(__CLASS__, $tag) : null;
         if ($extension !== null) {
             $this->extensions()->add($extension, $extension->readFrom($context, $wire));
             continue;
         }
         if ($this->unknownFieldSet === null) {
             $this->unknownFieldSet = new \Protobuf\UnknownFieldSet();
         }
         $data = $reader->readUnknown($stream, $wire);
         $unknown = new \Protobuf\Unknown($tag, $wire, $data);
         $this->unknownFieldSet->add($unknown);
     }
 }
 /**
  * {@inheritdoc}
  */
 public function readFrom(\Protobuf\ReadContext $context)
 {
     $reader = $context->getReader();
     $length = $context->getLength();
     $stream = $context->getStream();
     $limit = $length !== null ? $stream->tell() + $length : null;
     while ($limit === null || $stream->tell() < $limit) {
         if ($stream->eof()) {
             break;
         }
         $key = $reader->readVarint($stream);
         $wire = \Protobuf\WireFormat::getTagWireType($key);
         $tag = \Protobuf\WireFormat::getTagFieldNumber($key);
         if ($stream->eof()) {
             break;
         }
         if ($tag === 1) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             $this->name = $reader->readString($stream);
             continue;
         }
         if ($tag === 2) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             $this->package = $reader->readString($stream);
             continue;
         }
         if ($tag === 3) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             if ($this->dependency === null) {
                 $this->dependency = new \Protobuf\ScalarCollection();
             }
             $this->dependency->add($reader->readString($stream));
             continue;
         }
         if ($tag === 10) {
             \Protobuf\WireFormat::assertWireType($wire, 5);
             if ($this->public_dependency === null) {
                 $this->public_dependency = new \Protobuf\ScalarCollection();
             }
             $this->public_dependency->add($reader->readVarint($stream));
             continue;
         }
         if ($tag === 11) {
             \Protobuf\WireFormat::assertWireType($wire, 5);
             if ($this->weak_dependency === null) {
                 $this->weak_dependency = new \Protobuf\ScalarCollection();
             }
             $this->weak_dependency->add($reader->readVarint($stream));
             continue;
         }
         if ($tag === 4) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\DescriptorProto();
             if ($this->message_type === null) {
                 $this->message_type = new \Protobuf\MessageCollection();
             }
             $this->message_type->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 5) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\EnumDescriptorProto();
             if ($this->enum_type === null) {
                 $this->enum_type = new \Protobuf\MessageCollection();
             }
             $this->enum_type->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 6) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\ServiceDescriptorProto();
             if ($this->service === null) {
                 $this->service = new \Protobuf\MessageCollection();
             }
             $this->service->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 7) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\FieldDescriptorProto();
             if ($this->extension === null) {
                 $this->extension = new \Protobuf\MessageCollection();
             }
             $this->extension->add($innerMessage);
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 8) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\FileOptions();
             $this->options = $innerMessage;
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 9) {
             \Protobuf\WireFormat::assertWireType($wire, 11);
             $innerSize = $reader->readVarint($stream);
             $innerMessage = new \google\protobuf\SourceCodeInfo();
             $this->source_code_info = $innerMessage;
             $context->setLength($innerSize);
             $innerMessage->readFrom($context);
             $context->setLength($length);
             continue;
         }
         if ($tag === 12) {
             \Protobuf\WireFormat::assertWireType($wire, 9);
             $this->syntax = $reader->readString($stream);
             continue;
         }
         $extensions = $context->getExtensionRegistry();
         $extension = $extensions ? $extensions->findByNumber(__CLASS__, $tag) : null;
         if ($extension !== null) {
             $this->extensions()->add($extension, $extension->readFrom($context, $wire));
             continue;
         }
         if ($this->unknownFieldSet === null) {
             $this->unknownFieldSet = new \Protobuf\UnknownFieldSet();
         }
         $data = $reader->readUnknown($stream, $wire);
         $unknown = new \Protobuf\Unknown($tag, $wire, $data);
         $this->unknownFieldSet->add($unknown);
     }
 }