Fixed warning "Property init never defined on org.apache.flex.core.SimpleValuesImpl"

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Added '@suppress {checkTypes}' to hide the warning caused by having an assignment in an interface, which we need to make 'is()' work.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Fixed type checking issue when using '-strict' compiler setting.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Fixed some more type checking issues when using '-strict' compiler setting.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Disabled type checking on arguments of 'is()' and 'as()' entirely.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Fixed type check.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Revert "Fixed warning "Property init never defined on org.apache.flex.core.SimpleValuesImpl""

This reverts commit b6b3d23b221f663964c64bf42592f53e4972c1cc.