package cmd

import (
	"context"

	"github.com/minio/minio/internal/bucket/lifecycle"
)

// objSweeper determines if a transitioned object needs to be removed from the remote tier.
// A typical usage would be like,
// os := newObjSweeper(bucket, object)
// // Perform a ObjectLayer.GetObjectInfo to fetch object version information
// goiOpts := os.GetOpts()

   * [RequestBody.writeTo] after that method returns. For duplex requests bodies that condition is
   * lifted. Such writes occur on an application-provided thread and may occur concurrently with
   * reads of the [ResponseBody]. For duplex request bodies, [writeTo] should return
   * quickly, possibly by handing off the provided request body to another thread to perform
   * writing.
   *

import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class BufferCacheImplTest {

    @Mock
    Configuration cfg;

    // Verifies constructor that accepts Configuration reads the expected values and uses them
    @Test
    @DisplayName("Constructor(Configuration) uses cache size and maximum buffer size from config")
    void constructorUsesConfigurationAndAllocatesWithConfiguredSize() {

        update(sequence, 0, sequence.length);
        index += 8;
        if (response.command == ServerMessageBlock.SMB_COM_READ_ANDX) {
            /* SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */
            final SmbComReadAndXResponse raxr = (SmbComReadAndXResponse) response;
            final int length = response.length - raxr.dataLength;

		"Count of online drives")
	driveCountMD = NewGaugeMD(driveCount,
		"Count of all drives")

	// iostat related
	driveReadsPerSecMD = NewGaugeMD(driveReadsPerSec,
		"Reads per second on a drive",
		allDriveLabels...)
	driveReadsKBPerSecMD = NewGaugeMD(driveReadsKBPerSec,
		"Kilobytes read per second on a drive",
		allDriveLabels...)
	driveReadsAwaitMD = NewGaugeMD(driveReadsAwait,

	return
}

func newDriveMetricsCache() *cachevalue.Cache[storageMetrics] {
	var (
		// prevDriveIOStats is used to calculate "per second"
		// values for IOStat related disk metrics e.g. reads/sec.
		prevDriveIOStats            map[string]madmin.DiskIOStats
		prevDriveIOStatsMu          sync.RWMutex
		prevDriveIOStatsRefreshedAt time.Time
	)

        // 3. Sending the request through the appropriate transport
        // 4. Processing the response

        // For now, we'll return false to indicate that the concrete implementation
        // needs to be provided by the calling code
        log.warn("performReconnection called but no concrete implementation available. "
                + "This method should be overridden by the actual SMB implementation.");

		}
		err := s.Err()
		if err != nil {
			t.Errorf("#%d: %v", n, err)
		}
	}
}

// slowReader is a reader that returns only a few bytes at a time, to test the incremental
// reads in Scanner.Scan.
type slowReader struct {
	max int
	buf io.Reader
}

func (sr *slowReader) Read(p []byte) (n int, err error) {
	if len(p) > sr.max {
		p = p[0:sr.max]
	}
	return sr.buf.Read(p)

    public T get() {
      // Another variant of Double Checked Locking.
      //
      // We use two volatile reads. We could reduce this to one by
      // putting our fields into a holder class, but (at least on x86)
      // the extra memory consumption and indirection are more
      // expensive than the extra volatile reads.
      long nanos = expirationNanos;
      long now = System.nanoTime();
      if (nanos == 0 || now - nanos >= 0) {

      // call to addListener() will callback to setOneValue(), transitively call our cleanup
      // listener, and set this.futures to null.
      // This is not actually a problem, since the foreach only needs this.futures to be non-null
      // at the beginning of the loop.
      int i = 0;
      for (ListenableFuture<? extends InputT> future : futures) {
        int index = i++;
        if (future.isDone()) {