protected static final Pattern USER_AGENT_RECORD =
            Pattern.compile("^user-agent:\\s*([^\\t\\n\\x0B\\f\\r]+)\\s*$", Pattern.CASE_INSENSITIVE);

    protected static final Pattern DISALLOW_RECORD = Pattern.compile("^disallow:\\s*([^\\s]*)\\s*$", Pattern.CASE_INSENSITIVE);

    protected static final Pattern ALLOW_RECORD = Pattern.compile("^allow:\\s*([^\\s]*)\\s*$", Pattern.CASE_INSENSITIVE);

    protected Map<String, Closure> getMutatingMethods() {
        return super.getMutatingMethods() + [
            "getByName(String, Action)": { container.getByName("a", Actions.doNothing()) }
        ]
    }

    def "disallow mutating from named actions using #mutatingMethods.key"() {
        setupContainerDefaults()
        addToContainer(a)
        String methodUnderTest = mutatingMethods.key
        Closure method = bind(mutatingMethods.value)

        where:
        description            | propertyConfig
        "default behaviour"    | ""
        "finalize on read"     | "it.finalizeValueOnRead()"
        "disallow unsafe read" | "it.disallowUnsafeRead()"
    }

    def "task input collection property can consume the mapped output of another task"() {
        taskTypeWithInputFileProperty()
        taskTypeWithInputListProperty()

//
// This is typically used as:
//
//	for u, uf := newInlineUnwinder(...); uf.valid(); uf = u.next(uf) { ... }
//
// Implementation note: This is used in contexts that disallow write barriers.
// Hence, the constructor returns this by value and pointer receiver methods
// must not mutate pointer fields. Also, we keep the mutable state in a separate

     */
    public NotationParserBuilder<N, T> noImplicitConverters() {
        implicitConverters = false;
        return this;
    }

    /**
     * Allow null as a valid input. The default is to disallow null.
     *
     * <p>When this is enabled, all converters must be null safe.
     *
     * TODO - attach the null safety to each converter and infer whether null is a valid input or not.
     */

		// Entire set of ASCII punctuation, from which we remove characters:
		//     ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
		// We disallow some shell special characters: " ' * < > ? ` |
		// (Note that some of those are disallowed by the Windows file system as well.)
		// We also disallow path separators / : and \ (fileNameOK is only called on path element characters).
		// We allow spaces (U+0020) in file names.

			"debugCall32768",
			"debugCall65536":
			// These functions are allowed so that the debugger can initiate multiple function calls.
			// See: https://golang.org/cl/161137/
			return
		}

		// Disallow calls from the runtime. We could
		// potentially make this condition tighter (e.g., not
		// when locks are held), but there are enough tightly
		// coded sequences (e.g., defer handling) that it's
		// better to play it safe.

  // mutable variables and produce ReadVariable/AssignVariable ops in TFLite.
  bool enable_tflite_variables = false;
  // Whether to disable the variable freezing pass or not.
  // By default we freeze all variables and disallow mutable variables. When
  // 'enable_tflite_variables' is true then we allow mutable variable only.
  bool disable_variable_freezing = false;
  // Whether to unfold large splat constant tensors and replace them with

    ```Python hl_lines="10"
    {!> ../../../docs_src/header_params/tutorial002.py!}
    ```

!!! warning
    Before setting `convert_underscores` to `False`, bear in mind that some HTTP proxies and servers disallow the usage of headers with underscores.

## Duplicate headers

It is possible to receive duplicate headers. That means, the same header with multiple values.

				obj.Schema = &apiextensions.JSONSchemaProps{}
				c.Fuzz(obj.Schema)
			} else {
				obj.Allows = c.RandBool()
			}
		},
		func(obj *apiextensions.JSONSchemaPropsOrArray, c fuzz.Continue) {
			// disallow both Schema and JSONSchemas to be nil.
			if c.RandBool() {
				obj.Schema = &apiextensions.JSONSchemaProps{}
				c.Fuzz(obj.Schema)
			} else {
				obj.JSONSchemas = make([]apiextensions.JSONSchemaProps, c.Intn(3)+1)