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      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions

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      separable from, or merely link (or bind by name) to the interfaces of,
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 *
 * <p>The maps produced by {@code MapMaker} are serializable, and the deserialized maps retain all
 * the configuration properties of the original map. During deserialization, if the original map had
 * used weak references, the entries are reconstructed as they were, but it's not unlikely they'll
 * be quickly garbage-collected before they are ever accessed.
 *

@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem      https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,

      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions

        assertNotSame(negotiation.getRequestRaw(), anotherNegotiation.getRequestRaw());
        assertNotSame(negotiation.getResponseRaw(), anotherNegotiation.getResponseRaw());

        // Verify original instance is unchanged
        assertSame(mockRequest, negotiation.getRequest());
        assertSame(mockResponse, negotiation.getResponse());