From Apache OpenOffice Wiki
Type: Specification State: Evolving Availability: URE 1.3
Support threading type specific purpose environments.
- Uno/Binary/Spec/Environment Stack
- Uno/Binary/Spec/Cascaded Mapping
- Uno/Binary/Spec/Environment Descriptor
- Uno/Binary/Spec/Environment Substitution
Threading-model specific environments are backed by the appropriate purpose environments.
"<OBI>"is backed by the default pure OBI environment (as usual).
"<OBI>:unsafe"is backed by the default Uno/Binary/Spec/Thread Unsafety Bridge.
"<OBI>:affine"is backed by the default Uno/Binary/Spec/Thread Affinity Bridge.