http://localhost:1313/configuration/7_1/azuredev/app1/eclssetup/index.properties
or with "uglyurls = true"
http://localhost:1313/configuration/7_1/azuredev/app1/eclssetup.properties
should output
key1=value1
key2=value2
key3=value3
key4=value4
key5=value5
as text/properties
W/o "uglyurls = true", you can set "baseName" to replace "index.properties" with "eclssetup.properties"
[outputFormats.eclssetup]
mediaType = "text/properties"
baseName = "eclssetup"
isPlainText = true