* graph.putEdge("chocolate", "peanut butter");
 * graph.putEdge("peanut butter", "jelly");
 *
 * // Building an immutable graph
 * ImmutableGraph<String> immutableGraph =
 *     GraphBuilder.undirected()
 *         .allowsSelfLoops(true)
 *         .<String>immutable()
 *         .putEdge("bread", "bread")
 *         .putEdge("chocolate", "peanut butter")
 *         .putEdge("peanut butter", "jelly")
 *         .build();
 * }
 *

ter\ndyn-berlin\u0008dyn-ip24\u000fdynamisches-dns\u0007dyndns1\u0006frusky\u000ffuettertdasnetz\u0009git-repos\u0004goip\u0010g\u00fcnstigbestellen\u000eg\u00fcnstigliefern\u000ehome-webserver\u000chs-heilbronn\u0009in-berlin\u0006in-brb\u0009in-butter\u0006in-dsl\u0006in-vpn\u000cinternet-dns\u000biservschule\nisteingeek\u0007istmein\nkeymachine\u0009l-o-g-i-n\u000clcube-server\nlebtimnetz\nleitungsen\nmein-iserv\nmy-gateway\u0009my-router\rmyhome-server\u0003rub\u000fruhr-uni-bochum\u0009schu...

// The slice aliases the buffer content at least until the next buffer modification,
// so immediate changes to the slice will affect the result of future reads.
func (b *Buffer) Bytes() []byte { return b.buf[b.off:] }

// AvailableBuffer returns an empty buffer with b.Available() capacity.
// This buffer is intended to be appended to and

im.it
imabari.ehime.jp
imakane.hokkaido.jp
imamat
imari.saga.jp
imb.br
imdb
imizu.toyama.jp
immo
immobilien
imperia.it
in
in-addr.arpa
in-berlin.de
in-brb.de
in-butter.de
in-dsl.de
in-dsl.net
in-dsl.org
in-the-band.net
in-vpn.de
in-vpn.net
in-vpn.org
in.eu.org
in.net
in.ngrok.io
in.ni
in.rs
in.th
in.ua
in.us

im.it
imabari.ehime.jp
imakane.hokkaido.jp
imamat
imari.saga.jp
imb.br
imdb
imizu.toyama.jp
immo
immobilien
imperia.it
in
in-addr.arpa
in-berlin.de
in-brb.de
in-butter.de
in-dsl.de
in-dsl.net
in-dsl.org
in-the-band.net
in-vpn.de
in-vpn.net
in-vpn.org
in.eu.org
in.net
in.ngrok.io
in.ni
in.rs
in.th
in.ua
in.us

    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *
     * @param cfg the configuration to use for buffer cache settings
     */
    public BufferCacheImpl(final Configuration cfg) {
        this(cfg.getBufferCacheSize(), cfg.getMaximumBufferSize());
    }

    /**
     * Constructs a buffer cache with specified parameters.
     *

            SMBUtil.writeInt4(0, buffer, offset + 4); // sin6_flowinfo
            System.arraycopy(address.getAddress(), 0, buffer, offset + 8, 16); // sin6_addr
            SMBUtil.writeInt4(0, buffer, offset + 24); // sin6_scope_id
        } else {
            // IPv4 sockaddr_in structure (Windows AF_INET = 2)
            SMBUtil.writeInt2(2, buffer, offset); // sa_family: AF_INET

        writeInt8(buffer, dataOffset + 24, leaseDuration);  // LeaseDuration
        
        if (isV2()) {
            System.arraycopy(parentLeaseKey.getKey(), 0, buffer, dataOffset + 32, 16);  // ParentLeaseKey
            writeInt2(buffer, dataOffset + 48, epoch);  // Epoch
            writeInt2(buffer, dataOffset + 50, 0);  // Reserved
        }
    }
    
    @Override

 */

package jcifs.smb1.smb1;

import jcifs.smb1.Config;

/**
 * Buffer cache implementation for SMB1 protocol operations.
 * Manages a pool of byte buffers to reduce garbage collection overhead.
 *
 * Performance optimizations:
 * - Uses ConcurrentLinkedQueue for O(1) operations
 * - Lock-free operations for better concurrency
 * - Proper buffer validation and limits
 */
public class BufferCache {

    /**

 * attempting to add new elements onto the queue and it is full. This queue orders elements FIFO
 * (first-in-first-out). This data structure is logically equivalent to a circular buffer (i.e.,
 * cyclic buffer or ring buffer).
 *
 * <p>An evicting queue must be configured with a maximum size. Each time an element is added to a
 * full queue, the queue automatically removes its head element. This is different from conventional