httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/H2AsyncMainClientExec.java [100:123]:
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        final AsyncClientExchangeHandler internalExchangeHandler = new AsyncClientExchangeHandler() {

            private final AtomicReference<AsyncDataConsumer> entityConsumerRef = new AtomicReference<>();

            @Override
            public void releaseResources() {
                final AsyncDataConsumer entityConsumer = entityConsumerRef.getAndSet(null);
                if (entityConsumer != null) {
                    entityConsumer.releaseResources();
                }
            }

            @Override
            public void failed(final Exception cause) {
                final AsyncDataConsumer entityConsumer = entityConsumerRef.getAndSet(null);
                if (entityConsumer != null) {
                    entityConsumer.releaseResources();
                }
                execRuntime.markConnectionNonReusable();
                asyncExecCallback.failed(cause);
            }

            @Override
            public void cancel() {
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httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncMainClientExec.java [112:135]:
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        final AsyncClientExchangeHandler internalExchangeHandler = new AsyncClientExchangeHandler() {

            private final AtomicReference<AsyncDataConsumer> entityConsumerRef = new AtomicReference<>();

            @Override
            public void releaseResources() {
                final AsyncDataConsumer entityConsumer = entityConsumerRef.getAndSet(null);
                if (entityConsumer != null) {
                    entityConsumer.releaseResources();
                }
            }

            @Override
            public void failed(final Exception cause) {
                final AsyncDataConsumer entityConsumer = entityConsumerRef.getAndSet(null);
                if (entityConsumer != null) {
                    entityConsumer.releaseResources();
                }
                execRuntime.markConnectionNonReusable();
                asyncExecCallback.failed(cause);
            }

            @Override
            public void cancel() {
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