# Export syntax
export EXPORTED_VAR=exported_value
export EXPORTED_EMPTY=

# Variable expansion (in-file forward references)
BASE_URL=https://api.example.com
API_ENDPOINT="${BASE_URL}/v1"
FULL_ENDPOINT=$BASE_URL/v2/users
COMBINED="${BASE_URL}_suffix"

# Testing multiline quoting edge cases
MULTILINE_UNQUOTED=This\ is\ a\ \
multiline\ value\ that\ should\ be\ treated\ as\ a\ single\ line\ with\ a\ literal\ backslash\ and\ newline
MULTILINE_DOUBLE_QUOTED="This is a \
multiline value that should be treated as a single line with an actual newline character"
MULTILINE_SINGLE_QUOTED='This is a \
multiline value that should be treated as a single line with a literal backslash and newline'
MULTILINE_MIXED_QUOTES="This is a \
multiline value that should be treated as a single line with an actual newline character and a literal backslash \"and 'single quotes' inside"

# Test for regressions
DATABASE_URL="postgres://user:pass@host/db;sslmode=require"
VAR_WITH_SEMICOLONS="value ; with ; semicolons"