Glide/com.bumptech.glide.load.model/LazyHeaderFactory/buildHeader

buildHeader

abstract fun buildHeader(): String
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Returns an http header, or null if no header could be built.

Returning null or an empty String from this method will result in this particular key/value being excluded from the headers provided in the request. If there are multiple factories or values for a particular key, any non-null values will still be included for that key.