pub trait OutputExt {
// Required methods
fn stderr(&self) -> String;
fn has_stderr(&self) -> bool;
fn stdout(&self) -> String;
fn has_stdout(&self) -> bool;
}pub trait OutputExt {
// Required methods
fn stderr(&self) -> String;
fn has_stderr(&self) -> bool;
fn stdout(&self) -> String;
fn has_stdout(&self) -> bool;
}