"as.data.frame"(x, row.names = NULL, optional = FALSE, ...)
"as.data.frame"(x, row.names = NULL, optional = FALSE, ...)
"as.data.frame"(x, row.names = NULL, optional = FALSE, simple = TRUE, ...)
"as.data.frame"(x, row.names = NULL, optional = FALSE, simple = TRUE, ...)
"as.data.frame"(x, row.names = NULL, optional = FALSE, ...)