You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: convert_url_test.go
    path of file: ./repos/cockroach/pkg/cli
    
    the code of the file until where you have to start completion: // Copyright 2021 The Cockroach Authors.
//
// Use of this software is governed by 
    
func Example_convert_url() {
	c := NewCLITest(TestCLIParams{
		NoServer: true,
	})
	defer c.Cleanup()

	c.RunWithArgs([]string{`convert-url`})
	c.RunWithArgs([]string{`convert-url`, `--url`, `postgres://foo@bar`})

	// Output:
	// convert-url
	// # WARNING: no URL specified via --url; using a random URL as example.
	//
	// # Connection URL for libpq (C/C++), psycopg (Python), lib/pq & pgx (Go), node-postgres (JS) and most pq-compatible drivers:
	// postgresql://root@localhost:26257/defaultdb
	//
	// # Connection DSN (Data Source Name) for Postgres drivers that accept DSNs - most drivers and also ODBC:
	// database=defaultdb user=root host=localhost port=26257
	//
	// # Connection URL for JDBC (Java and JVM-based languages):
	// jdbc:postgresql://localhost:26257/defaultdb?user=root
	//
	// convert-url --url postgres://foo@bar
	// # Connection URL for libpq (C/C++), psycopg (Python), lib/pq & pgx (Go), node-postgres (JS) and most pq-compatible drivers:
	// postgresql://foo@bar:26257/defaultdb
	//
	// # Connection DSN (Data Source Name) for Postgres drivers that accept DSNs - most drivers and also ODBC:
	// database=defaultdb user=foo host=bar port=26257
	//
	// # Connection URL for JDBC (Java and JVM-based languages):
	// jdbc:postgresql://bar:26257/defaultdb?user=foo
	//
}