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bool QML Basic Type
a binary true/false value.
The bool type refers to a binary true/false value.
Example:
Item {
    focus: true
    clip: false
}This basic type is provided by the QML language.
See also QML Basic Types.
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Licensed under the GNU Free Documentation License, Version 1.3.
 https://doc.qt.io/archives/qt-5.6/qml-bool.html