* The passphrase used to protect your private key.

These items must be supplied as the values of the `signing.keyId`, `signing.secretKeyRingFile`, and `signing.password` properties, respectively.

|Configurable directory location, whose value is mutable

|`ListProperty<T>`
|List of elements of type `T`

|`SetProperty<T>`
|Set of elements of type `T`

|`MapProperty<K, V>`
|Map of `K` type keys with `V` type values

|`ConfigurableFileCollection`
|A mutable `FileCollection` which represents a collection of file system locations

|`ConfigurableFileTree`

To address this, we suggest to use `java.net.URI` instead.

[[unsupported_key_type_of_nested_map]]
== Unsupported key type of nested map

This error indicates that a nested map declares a key of an unsupported type.
Gradle uses the key to generate a name for the (sub)property.

[[sec:task_output_caching_details]]
== Cacheable tasks

Since a task describes all of its inputs and outputs, Gradle can compute a _build cache key_ that uniquely defines the task's outputs based on its inputs.
That build cache key is used to request previous outputs from a build cache or store new outputs in the build cache.