t.Errorf("%s:%d: malformed hex instruction encoding: %s", input, lineno, line)
			}
		}

		if hexes != "" {
			hexByLine[fmt.Sprintf("%s:%d", input, lineno)] = hexes
		}

		// Canonicalize spacing in printed form.
		// First field is opcode, then tab, then arguments separated by spaces.
		// Canonicalize spaces after commas first.
		// Comma to separate argument gets a space; comma within does not.
		var buf []byte

        return file.exists();
    }

    /**
     * Generates a complete URL with context path and cache-busting timestamp.
     *
     * @param input the relative URL path starting with '/'
     * @return complete URL with context path and optional timestamp parameter
     * @throws IllegalArgumentException if input is null or doesn't start with '/'
     */

        assertFalse(auth3.isGuest());
        assertTrue(auth3.isAnonymous());
    }

    /**
     * Test authentication timestamp tracking
     */
    @Test
    @DisplayName("Test authentication timestamp is properly maintained")
    public void testAuthenticationTimestamp() throws InterruptedException {

In this section you will see how to manage authentication and authorization with the same OAuth2 with scopes in your **FastAPI** application.

/// warning

This is a more or less advanced section. If you are just starting, you can skip it.

You don't necessarily need OAuth2 scopes, and you can handle authentication and authorization however you want.

But OAuth2 with scopes can be nicely integrated into your API (with OpenAPI) and your API docs.

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