Return value of {@link #intersectAab(double, double, double, double, double, double) intersectAab()} and its different overloads indicating that the axis-aligned box is fully inside of the frustum.
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Return value of {@link #intersectAab(double, double, double, double, double, double) intersectAab()} and its different overloads indicating that the axis-aligned box is fully inside of the frustum.