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KMutableProperty

interface KMutableProperty<R> : KProperty<R>

Represents a property declared as a var.

interface Setter<R> : Accessor<R>, KFunction<Unit>

Setter of the property is a set method declared alongside the property.

abstract val setter: Setter<R>

The setter of this mutable property, used to change the value of the property.

abstract val getter: Getter<R>

The getter of this property, used to obtain the value of the property.

abstract val isConst: Boolean

true if this property is const. See the Kotlin language documentation for more information.

abstract val isLateinit: Boolean

true if this property is lateinit. See the Kotlin language documentation for more information.

extensionReceiverParameter	val KCallable<*>.extensionReceiverParameter: KParameter? Returns a parameter representing the extension receiver instance needed to call this callable, or `null` if this callable is not an extension.
instanceParameter	val KCallable<*>.instanceParameter: KParameter? Returns a parameter representing the `this` instance needed to call this callable, or `null` if this callable is not a member of a class and thus doesn't take such parameter.
isAccessible	var KCallable<*>.isAccessible: Boolean Provides a way to suppress JVM access checks for a callable.
javaField	val KProperty<*>.javaField: Field? Returns a Java Field instance corresponding to the backing field of the given property, or `null` if the property has no backing field.
javaGetter	val KProperty<*>.javaGetter: Method? Returns a Java Method instance corresponding to the getter of the given property, or `null` if the property has no getter, for example in case of a simple private `val` in a class.
javaSetter	val KMutableProperty<*>.javaSetter: Method? Returns a Java Method instance corresponding to the setter of the given mutable property, or `null` if the property has no setter, for example in case of a simple private `var` in a class.
valueParameters	val KCallable<*>.valueParameters: List<KParameter> Returns parameters of this callable, excluding the `this` instance and the extension receiver parameter.

fun <T : Annotation> KAnnotatedElement.findAnnotation(): T?

Returns an annotation of the given type on this element.

fun KCallable<*>.findParameterByName(
    name: String
): KParameter?

Returns the parameter of this callable with the given name, or null if there's no such parameter.

interface KMutableProperty0<R> : 
    KProperty0<R>, 
    KMutableProperty<R>

Represents a var-property without any kind of receiver.

interface KMutableProperty1<T, R> : 
    KProperty1<T, R>, 
    KMutableProperty<R>

Represents a var-property, operations on which take one receiver as a parameter.

interface KMutableProperty2<D, E, R> : 
    KProperty2<D, E, R>, 
    KMutableProperty<R>

Represents a var-property, operations on which take two receivers as parameters.