from .base import Combination, Kernel, Product, Sum
from .linears import Linear, Polynomial
from .misc import ArcCosine, Coregion, Periodic
from .mo_kernels import (Mok, SeparateIndependentMok, SeparateMixedMok,
SharedIndependentMok)
from .statics import Constant, Static, White
from .stationaries import (RBF, Cosine, Exponential, Matern12, Matern32,
Matern52, RationalQuadratic, Stationary)
Bias = Constant
SquaredExponential = RBF