type RingBuffer struct {
	buf       []byte
	size      int
	r         int // next position to read
	w         int // next position to write
	isFull    bool
	err       error
	block     bool
	mu        sync.Mutex
	wg        sync.WaitGroup
	readCond  *sync.Cond // Signaled when data has been read.
	writeCond *sync.Cond // Signaled when data has been written.
}

	staleUploadsExpiry          time.Duration
	staleUploadsCleanupInterval time.Duration
	deleteCleanupInterval       time.Duration
	enableODirect               bool
	gzipObjects                 bool
	rootAccess                  bool
	syncEvents                  bool
	objectMaxVersions           int64
}

const (
	cgroupV1MemLimitFile = "/sys/fs/cgroup/memory/memory.limit_in_bytes"

		ConditionValues: map[string][]string{},
		IsOwner:         true,
		ObjectName:      "yourobject",
	}

	testCases := []struct {
		args           policy.BucketPolicyArgs
		expectedResult bool
	}{
		{anonGetBucketLocationArgs, true},
		{anonPutObjectActionArgs, true},
		{anonGetObjectActionArgs, false},
		{getBucketLocationArgs, true},
		{putObjectActionArgs, true},
		{getObjectActionArgs, true},

type Filter struct {
	XMLName xml.Name `xml:"Filter"`
	set     bool

	Prefix Prefix

	ObjectSizeGreaterThan int64 `xml:"ObjectSizeGreaterThan,omitempty"`
	ObjectSizeLessThan    int64 `xml:"ObjectSizeLessThan,omitempty"`

	And    And
	andSet bool

	Tag    Tag
	tagSet bool

	// Caching tags, only once
	cachedTags map[string]string
}

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

var printEndpointError = func() func(Endpoint, error, bool) {
	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()

)

// IsMultiPart returns true if the object metadata indicates
// that it was uploaded using some form of server-side-encryption
// and the S3 multipart API.
func IsMultiPart(metadata map[string]string) bool {
	if _, ok := metadata[MetaMultipart]; ok {
		return true
	}
	return false
}

// RemoveSensitiveEntries removes confidential encryption
// information - e.g. the SSE-C key - from the metadata map.

	DeleteCleanupInterval       time.Duration `json:"delete_cleanup_interval"`
	EnableODirect               bool          `json:"enable_odirect"`
	GzipObjects                 bool          `json:"gzip_objects"`
	RootAccess                  bool          `json:"root_access"`
	SyncEvents                  bool          `json:"sync_events"`
	ObjectMaxVersions           int64         `json:"object_max_versions"`
}

class Invoice(BaseModel):
    id: str
    title: str | None = None
    customer: str
    total: float


class InvoiceEvent(BaseModel):
    description: str
    paid: bool


class InvoiceEventReceived(BaseModel):
    ok: bool


invoices_callback_router = APIRouter()


@invoices_callback_router.post(
    "{$callback_url}/invoices/{$request.body.id}", response_model=InvoiceEventReceived
)

	size       int64
	actualSize int64

	checksum      etag.ETag
	contentSHA256 []byte

	// Client-provided content checksum
	contentHash   Checksum
	contentHasher hash.Hash
	disableMD5    bool

	// Server side computed checksum. In some cases, like CopyObject, a new checksum
	// needs to be computed and saved on the destination object, but the client

	return status, true
}

type healEntryResult struct {
	bytes     uint64
	success   bool
	skipped   bool
	entryDone bool
	name      string
}

// healErasureSet lists and heals all objects in a specific erasure set
func (er *erasureObjects) healErasureSet(ctx context.Context, buckets []string, tracker *healingTracker) error {