Describes an input for subscriptions.

Defines a filter for subscription inputs.

An expression which can be applied to filter a list of subscription inputs.

Describes what values are valid for a subscription input.

Information about a single value for an input.

Information about the possible/allowed values for a given subscription input.

Error information related to a subscription input value.

Enumerates data types that are supported as subscription input values.

Mode in which a subscription input should be entered (in a UI).