# Uses of Class
ch.qos.logback.core.PropertyDefinerBase

Packages that use PropertyDefinerBase
Package
Description
ch.qos.logback.core.property

## Uses of PropertyDefinerBase in ch.qos.logback.core.property

Subclasses of PropertyDefinerBase in ch.qos.logback.core.property
Modifier and Type
Class
Description
`class`
`FileExistsPropertyDefiner`
In conjunction with `PropertyAction` sets the named variable to "true" if the file specified by `path` property exists, to "false" otherwise.
`class`
`ResourceExistsPropertyDefiner`
In conjunction with `PropertyAction` sets the named variable to "true" if the `resource` specified by the user is available on the class path, "false" otherwise.