make LambaTypes thread-safe
make LambaTypes thread-safe

riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,riginding/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora