## import
importFrom("methods", 
           "is", "new", "slot")

importFrom("stats", 
           "vcov", "aggregate")

importFrom("Matrix", 
           "forceSymmetric", "lu")

importClassesFrom("Matrix", 
                   "dgCMatrix", "dtCMatrix", "dgTMatrix", "dsCMatrix", "dgeMatrix")

importMethodsFrom("Matrix", 
                  "*", "solve", "t", "which", "diag", "crossprod", "tcrossprod", "chol")

importFrom("utils", 
           "combn")

importFrom("sandwich",
           "estfun", "bread")

importFrom("lme4", 
            "getME")

importClassesFrom("lme4", 
                   "lmerMod")

importFrom("nonnest2", 
            "llcont")


## S3method
S3method(estfun, lmerMod)
S3method(vcov, lmerMod)
S3method(bread, lmerMod)
S3method(llcont, lmerMod)


## export
export(estfun.lmerMod)
export(vcov.lmerMod)
export(bread.lmerMod)
export(llcont.lmerMod)
