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diff --git a/src/fs/gnunet-service-fs_pr.h b/src/fs/gnunet-service-fs_pr.h
deleted file mode 100644
index 58fdd334e..000000000
--- a/src/fs/gnunet-service-fs_pr.h
+++ /dev/null
@@ -1,422 +0,0 @@
-/*
-     This file is part of GNUnet.
-     Copyright (C) 2009, 2010, 2011 GNUnet e.V.
-
-     GNUnet is free software: you can redistribute it and/or modify it
-     under the terms of the GNU Affero General Public License as published
-     by the Free Software Foundation, either version 3 of the License,
-     or (at your option) any later version.
-
-     GNUnet is distributed in the hope that it will be useful, but
-     WITHOUT ANY WARRANTY; without even the implied warranty of
-     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-     Affero General Public License for more details.
-
-     You should have received a copy of the GNU Affero General Public License
-     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-     SPDX-License-Identifier: AGPL3.0-or-later
- */
-
-/**
- * @file fs/gnunet-service-fs_pr.h
- * @brief API to handle pending requests
- * @author Christian Grothoff
- */
-#ifndef GNUNET_SERVICE_FS_PR_H
-#define GNUNET_SERVICE_FS_PR_H
-
-#include "gnunet-service-fs.h"
-
-
-/**
- * Options for pending requests (bits to be ORed).
- */
-enum GSF_PendingRequestOptions
-{
-  /**
-   * No special options (P2P-default).
-   */
-  GSF_PRO_DEFAULTS = 0,
-
-  /**
-   * Request must only be processed locally.
-   */
-  GSF_PRO_LOCAL_ONLY = 1,
-
-  /**
-   * Request must only be forwarded (no routing)
-   */
-  GSF_PRO_FORWARD_ONLY = 2,
-
-  /**
-   * Request persists indefinitely (no expiration).
-   */
-  GSF_PRO_REQUEST_NEVER_EXPIRES = 4,
-
-  /**
-   * Request is allowed to refresh bloomfilter and change mingle value.
-   */
-  GSF_PRO_BLOOMFILTER_FULL_REFRESH = 8,
-
-  /**
-   * Request priority is allowed to be exceeded.
-   */
-  GSF_PRO_PRIORITY_UNLIMITED = 16,
-
-  /**
-   * Option mask for typical local requests.
-   */
-  GSF_PRO_LOCAL_REQUEST =
-    (GSF_PRO_BLOOMFILTER_FULL_REFRESH | GSF_PRO_PRIORITY_UNLIMITED
-     | GSF_PRO_REQUEST_NEVER_EXPIRES)
-};
-
-
-/**
- * Public data (in the sense of not encapsulated within
- * 'gnunet-service-fs_pr', not in the sense of network-wide
- * known) associated with each pending request.
- */
-struct GSF_PendingRequestData
-{
-  /**
-   * Primary query hash for this request.
-   */
-  struct GNUNET_HashCode query;
-
-  /**
-   * Identity of a peer hosting the content, otherwise NULl.
-   * Allocated after struct only if needed. Do not free!
-   */
-  const struct GNUNET_PeerIdentity *target;
-
-  /**
-   * Fields for the plan module to track a DLL with the request.
-   */
-  struct GSF_PendingRequestPlanBijection *pr_head;
-
-  /**
-   * Fields for the plan module to track a DLL with the request.
-   */
-  struct GSF_PendingRequestPlanBijection *pr_tail;
-
-  /**
-   * Current TTL for the request.
-   */
-  struct GNUNET_TIME_Absolute ttl;
-
-  /**
-   * When did we start with the request.
-   */
-  struct GNUNET_TIME_Absolute start_time;
-
-  /**
-   * Desired anonymity level.
-   */
-  uint32_t anonymity_level;
-
-  /**
-   * Priority that this request (still) has for us.
-   */
-  uint32_t priority;
-
-  /**
-   * Priority that this request (originally) had for us.
-   */
-  uint32_t original_priority;
-
-  /**
-   * Counter for how often this request has been transmitted (estimate,
-   * because we might have the same request pending for multiple clients,
-   * and of course because a transmission may have failed at a lower
-   * layer).
-   */
-  uint32_t num_transmissions;
-
-  /**
-   * How much respect did we (in total) offer for this request so far (estimate,
-   * because we might have the same request pending for multiple clients,
-   * and of course because a transmission may have failed at a lower
-   * layer).
-   */
-  uint32_t respect_offered;
-
-  /**
-   * Options for the request.
-   */
-  enum GSF_PendingRequestOptions options;
-
-  /**
-   * Type of the requested block.
-   */
-  enum GNUNET_BLOCK_Type type;
-
-  /**
-   * Number of results we have found for this request so far.
-   */
-  unsigned int results_found;
-
-  /**
-   * Has this request been started yet (local/p2p operations)?  Or are
-   * we still constructing it?
-   */
-  int has_started;
-};
-
-
-/**
- * Handle a reply to a pending request.  Also called if a request
- * expires (then with data == NULL).  The handler may be called
- * many times (depending on the request type), but will not be
- * called during or after a call to GSF_pending_request_cancel
- * and will also not be called anymore after a call signalling
- * expiration.
- *
- * @param cls user-specified closure
- * @param eval evaluation of the result
- * @param pr handle to the original pending request
- * @param reply_anonymity_level anonymity level for the reply, UINT32_MAX for "unknown"
- * @param expiration when does @a data expire?
- * @param last_transmission the last time we've tried to get this block (FOREVER if unknown)
- * @param type type of the block
- * @param data response data, NULL on request expiration
- * @param data_len number of bytes in @a data
- */
-typedef void
-(*GSF_PendingRequestReplyHandler) (void *cls,
-                                   enum GNUNET_BLOCK_EvaluationResult eval,
-                                   struct GSF_PendingRequest *pr,
-                                   uint32_t reply_anonymity_level,
-                                   struct GNUNET_TIME_Absolute expiration,
-                                   struct GNUNET_TIME_Absolute
-                                   last_transmission,
-                                   enum GNUNET_BLOCK_Type type,
-                                   const void *data,
-                                   size_t data_len);
-
-
-/**
- * Create a new pending request.
- *
- * @param options request options
- * @param type type of the block that is being requested
- * @param query key for the lookup
- * @param target preferred target for the request, NULL for none
- * @param bf_data raw data for bloom filter for known replies, can be NULL
- * @param bf_size number of bytes in bf_data
- * @param mingle mingle value for bf
- * @param anonymity_level desired anonymity level
- * @param priority maximum outgoing cumulative request priority to use
- * @param ttl current time-to-live for the request
- * @param sender_pid peer ID to use for the sender when forwarding, 0 for none;
- *                   reference counter is taken over by this function
- * @param origin_pid peer ID of origin of query (do not loop back)
- * @param replies_seen hash codes of known local replies
- * @param replies_seen_count size of the 'replies_seen' array
- * @param rh handle to call when we get a reply
- * @param rh_cls closure for rh
- * @return handle for the new pending request
- */
-struct GSF_PendingRequest *
-GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
-                             enum GNUNET_BLOCK_Type type,
-                             const struct GNUNET_HashCode *query,
-                             const struct GNUNET_PeerIdentity *target,
-                             const char *bf_data,
-                             size_t bf_size,
-                             uint32_t mingle,
-                             uint32_t anonymity_level,
-                             uint32_t priority,
-                             int32_t ttl,
-                             GNUNET_PEER_Id sender_pid,
-                             GNUNET_PEER_Id origin_pid,
-                             const struct GNUNET_HashCode *replies_seen,
-                             unsigned int replies_seen_count,
-                             GSF_PendingRequestReplyHandler rh,
-                             void *rh_cls);
-
-
-/**
- * Update a given pending request with additional replies
- * that have been seen.
- *
- * @param pr request to update
- * @param replies_seen hash codes of replies that we've seen
- * @param replies_seen_count size of the @a replies_seen array
- */
-void
-GSF_pending_request_update_ (struct GSF_PendingRequest *pr,
-                             const struct GNUNET_HashCode *replies_seen,
-                             unsigned int replies_seen_count);
-
-
-/**
- * Obtain the public data associated with a pending request
- *
- * @param pr pending request
- * @return associated public data
- */
-struct GSF_PendingRequestData *
-GSF_pending_request_get_data_ (struct GSF_PendingRequest *pr);
-
-
-/**
- * Check if the given request is still active.
- *
- * @param pr pending request
- * @return #GNUNET_YES if the request is still active
- */
-int
-GSF_pending_request_test_active_ (struct GSF_PendingRequest *pr);
-
-
-/**
- * Test if two pending requests are compatible (would generate
- * the same query modulo filters and should thus be processed
- * jointly).
- *
- * @param pra a pending request
- * @param prb another pending request
- * @return #GNUNET_OK if the requests are compatible
- */
-int
-GSF_pending_request_is_compatible_ (struct GSF_PendingRequest *pra,
-                                    struct GSF_PendingRequest *prb);
-
-
-/**
- * Generate the message corresponding to the given pending request for
- * transmission to other peers.
- *
- * @param pr request to generate the message for
- * @return envelope with the request message
- */
-struct GNUNET_MQ_Envelope *
-GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr);
-
-
-/**
- * Explicitly cancel a pending request.
- *
- * @param pr request to cancel
- * @param full_cleanup fully purge the request
- */
-void
-GSF_pending_request_cancel_ (struct GSF_PendingRequest *pr,
-                             int full_cleanup);
-
-
-/**
- * Signature of function called on each request.
- * (Note: 'subtype' of GNUNET_CONTAINER_HashMapIterator).
- *
- * @param cls closure
- * @param key query for the request
- * @param pr handle to the pending request
- * @return #GNUNET_YES to continue to iterate
- */
-typedef int
-(*GSF_PendingRequestIterator) (void *cls,
-                               const struct GNUNET_HashCode *key,
-                               struct GSF_PendingRequest *pr);
-
-
-/**
- * Iterate over all pending requests.
- *
- * @param it function to call for each request
- * @param cls closure for it
- */
-void
-GSF_iterate_pending_requests_ (GSF_PendingRequestIterator it,
-                               void *cls);
-
-
-/**
- * Handle P2P "CONTENT" message.  Checks that the message is
- * well-formed and then checks if there are any pending requests for
- * this content and possibly passes it on (to local clients or other
- * peers).  Does NOT perform migration (content caching at this peer).
- *
- * @param cls the other peer involved (sender)
- * @param put the actual message
- */
-void
-handle_p2p_put (void *cls,
-                const struct PutMessage *put);
-
-
-/**
- * Consider looking up the data in the DHT (anonymity-level permitting).
- *
- * @param pr the pending request to process
- */
-void
-GSF_dht_lookup_ (struct GSF_PendingRequest *pr);
-
-
-/**
- * Consider downloading via cadet (if possible)
- *
- * @param pr the pending request to process
- */
-void
-GSF_cadet_lookup_ (struct GSF_PendingRequest *pr);
-
-
-/**
- * Function to be called after we're done processing
- * replies from the local lookup.
- *
- * @param cls closure
- * @param pr the pending request we were processing
- * @param result final datastore lookup result
- */
-typedef void
-(*GSF_LocalLookupContinuation) (void *cls,
-                                struct GSF_PendingRequest *pr,
-                                enum GNUNET_BLOCK_EvaluationResult result);
-
-
-/**
- * Look up the request in the local datastore.
- *
- * @param pr the pending request to process
- * @param cont function to call at the end
- * @param cont_cls closure for @a cont
- */
-void
-GSF_local_lookup_ (struct GSF_PendingRequest *pr,
-                   GSF_LocalLookupContinuation cont,
-                   void *cont_cls);
-
-
-/**
- * Is the given target a legitimate peer for forwarding the given request?
- *
- * @param pr request
- * @param target
- * @return #GNUNET_YES if this request could be forwarded to the given peer
- */
-int
-GSF_pending_request_test_target_ (struct GSF_PendingRequest *pr,
-                                  const struct GNUNET_PeerIdentity *target);
-
-
-/**
- * Setup the subsystem.
- */
-void
-GSF_pending_request_init_ (void);
-
-
-/**
- * Shutdown the subsystem.
- */
-void
-GSF_pending_request_done_ (void);
-
-
-#endif
-/* end of gnunet-service-fs_pr.h */