--!nocheck
-- TODO: Write a better parser for URLs later on
-- Helper function: trim_end_except_slash
function trim_end_except_slash(s: string) end

-- Helper function: trim_end_basic
function trim_end_basic(s: string) end

-- Helper function: trim_start_non_alnum
function trim_start_non_alnum(s: string) end

-- Function: is_valid_label
function is_valid_label(label: string) end

-- Function: is_valid_tld
function is_valid_tld(tld: string) end

-- Function: find_valid_domain
function find_valid_domain(s: string) -> string? end

-- Function: extract_query_embedded_url
function extract_query_embedded_url(segment: string) -> string? end

-- Function: find_domain
function find_domain(s: string) -> string? end

-- Function: extract_scheme_less_urls
function extract_scheme_less_urls(segment: string) -> {string} end

-- Function: parse_urls
function parse_urls(input: string) -> {string} end

function main() end

-- Dependencies and helper functions
-- Assume that the function parse_urls(text) already exists.
-- Helper function to deeply compare two arrays for equality.
function deep_equal(t1, t2) end

-- Test functions
function test_simple_urls() end

function test_scheme_less_urls() end

function test_mixed_urls() end

function test_no_urls() end

function test_invalid_tlds() end

function test_invalid_labels() end

function test_context_discord_https() end

function test_context_path_https() end

function test_context_prefix_dot_schemeless() end

function test_edge_cases() end

function test_utf8_text() end

function test_only_tld_like() end

function test_single_letter_tld_fail() end

function test_numeric_tld_fail() end

function test_complex_path_query() end

function test_trailing_dot_exclusion() end

function test_trailing_comma_exclusion() end

function test_url_in_parentheses_exclusion() end

function test_url_in_brackets_exclusion() end

function test_empty_string() end

function test_no_partial_parse_on_invalid_label() end

function test_port_number() end

function test_colon_not_port() end

function test_t() end

function test_masked_url() end

function test_pipe_delimited_url() end

function test_multiple_schemes() end

function test_url_with_query_and_fragment() end

function test_url_with_special_characters() end

function test_url_with_underscores() end

function test_url_with_hyphens() end

function test_url_with_subdomain() end

function test_url_with_port() end

function test_url_with_auth() end

function test_url_with_ipv4() end

function test_url_with_trailing_slash() end

function test_url_with_trailing_question_mark() end

function test_url_with_trailing_hash() end

function test_url_with_trailing_exclamation() end

function test_url_with_trailing_percent() end

function test_url_with_trailing_ampersand() end

function test_url_with_trailing_equals() end

function test_url_with_trailing_plus() end

function test_url_with_trailing_asterisk() end

function test_url_with_trailing_at() end

function test_url_with_trailing_dollar() end

function test_url_with_trailing_caret() end

function test_url_with_trailing_backtick() end

function test_url_with_trailing_tilde() end

-- Run all tests
function run_tests() end