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diff --git a/libparc/parc/concurrent/parc_RingBuffer_NxM.h b/libparc/parc/concurrent/parc_RingBuffer_NxM.h
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--- a/libparc/parc/concurrent/parc_RingBuffer_NxM.h
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-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * @file parc_RingBuffer_NxM.h
- * @ingroup threading
- * @brief A multiple producer, multiple consumer ring buffer
- *
- * This is useful for synchronizing one or more producers with one or more consumers.
- * The implementation may use locks.
- *
- * Complies with the PARCRingBuffer generic facade.
- *
- */
-
-#ifndef libparc_parc_RingBuffer_NxM_h
-#define libparc_parc_RingBuffer_NxM_h
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <parc/concurrent/parc_RingBuffer_1x1.h>
-
-struct parc_ringbuffer_NxM;
-/**
- * @typedef PARCRingBufferNxM
- */
-typedef struct parc_ringbuffer_NxM PARCRingBufferNxM;
-
-/**
- * Creates a ring buffer of the given size, which must be a power of 2.
- *
- * The ring buffer can store up to (elements-1) items in the buffer.  The buffer can
- * be shared between multiple producers and consumers.  Each of them should be
- * given out from a call to {@link parcRingBuffer_Acquire} to create reference counted
- * copies.
- *
- * The reference count is "1" on return.
- *
- * @param [in] elements A power of 2, indicating the maximum size of the buffer.
- * @param [in] destroyer Will be called for each ring entry when when the ring is destroyed.  May be null.
- *
- * @return non-null An allocated ring buffer.
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-PARCRingBufferNxM *parcRingBufferNxM_Create(uint32_t elements, RingBufferEntryDestroyer *destroyer);
-
-/**
- * A reference counted copy of the buffer.
- *
- * A RING WITHOUT LOCKS CAN ONLY HAVE 2 REFERENCES.
- *
- * @param [in] ring A pointer to the `PARCRingBufferNxM` to be acquired.
- *
- * @return non-null A reference counted copy of the ring buffer
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-PARCRingBufferNxM *parcRingBufferNxM_Acquire(PARCRingBufferNxM *ring);
-
-/**
- * Releases a reference.  The buffer will be destroyed after the last release.
- *
- * If the destroyer was specified on create, it will be called on each entry in the buffer
- * when the buffer is destroyed.
- *
- * @param [in,out] ringPtr A pointer to the pointer to the `PARCRingBufferNxM` to be released.
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-void parcRingBufferNxM_Release(PARCRingBufferNxM **ringPtr);
-
-/**
- * Non-blocking attempt to put item on ring.  May return false if ring is full.
- *
- * <#Paragraphs Of Explanation#>
- *
- * @param [in,out] ring A pointer to the `PARCRingBufferNxM` on which to put @p data.
- * @param [in] data A pointer to data to put on @p ring.
- *
- * @return `true` Data was put on the queue
- * @return `false` Would have blocked, the queue was full
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-bool parcRingBufferNxM_Put(PARCRingBufferNxM *ring, void *data);
-
-/**
- * Gets the next item off the ring, or returns false if would have blocked.
- *
- * Non-blocking, gets an item off the ring, or returns false if would block
- *
- * @param [in] ring The ring buffer
- * @param [out] outputDataPtr The output pointer
- *
- * @return `true` Data returned in the output argument
- * @return `false` Ring is empty, no data returned.
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-bool parcRingBufferNxM_Get(PARCRingBufferNxM *ring, void **outputDataPtr);
-
-/**
- * Returns the remaining capacity of the ring
- *
- * Returns the remaining capacity of the ring.  This does not guarantee the next
- * Put will not block, as other producers might consumer the space between calls.
- *
- * @param [in] ring The ring buffer
- *
- * @return the remaining capacity of @p ring.
- *
- * Example:
- * @code
- * <#example#>
- * @endcode
- */
-uint32_t parcRingBufferNxM_Remaining(PARCRingBufferNxM *ring);
-#endif // libparc_parc_RingBuffer_NxM_h