Constant DEFAULT_CONFIG 

pub const DEFAULT_CONFIG: &str = r#"[completion]
# Aster abstains instead of filling this list with low-confidence candidates.
max_candidates = 8

# Accept the highlighted completion with Ctrl-Space. Also accepts "ctrl-a"
# through "ctrl-z" (excluding reserved menu controls).
key = "ctrl-space"

# Ctrl-Space accepts the whole suggestion; Tab always advances one segment.
accept = "full"

[history]
# Match common shell history privacy behavior.
ignore_leading_space = true

# Prefer commands known to have completed successfully.
successful_first = true

[ui]
# ANSI palette indexes adapt to the active terminal theme. #RRGGBB is also valid.
menu_width = 64
max_visible = 6
prompt_offset = 2
border = "4"
accent = "10"
text = "7"
muted = "8"
ghost = "8"
selected_background = "8"
selected_text = "15"
selected_source = "0"
"#;