imagepipeline-backends/imagepipeline-volley/src/main/java/com/facebook/imagepipeline/backends/volley/VolleyNetworkFetcher.java
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/HttpUrlConnectionNetworkFetcher.java

imagepipeline-backends/imagepipeline-okhttp3/src/main/java/com/facebook/imagepipeline/backends/okhttp3/OkHttpNetworkFetcher.java
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/PriorityNetworkFetcher.java

imagepipeline-backends/imagepipeline-okhttp3/src/main/java/com/facebook/imagepipeline/backends/okhttp3/OkHttpNetworkFetcher.java
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/HttpUrlConnectionNetworkFetcher.java

imagepipeline-backends/imagepipeline-volley/src/main/java/com/facebook/imagepipeline/backends/volley/VolleyNetworkFetcher.java
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/PriorityNetworkFetcher.java