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/**
Define a [lazily evaluated](https://en.wikipedia.org/wiki/Lazy_evaluation) property on an object.
@param object - Object to add the property to.
@param propertyName - Name of the property to add.
@param valueGetter - Called the first time `propertyName` is accessed.
@example
```
import defineLazyProperty from 'define-lazy-prop';
const unicorn = {
// …
};
defineLazyProperty(unicorn, 'rainbow', () => expensiveComputation());
app.on('user-action', () => {
doSomething(unicorn.rainbow);
});
```
*/
export default function defineLazyProperty<
ObjectType extends Record<string, any>,
PropertyNameType extends string,
PropertyValueType
>(
object: ObjectType,
propertyName: PropertyNameType,
valueGetter: () => PropertyValueType
): ObjectType & {[K in PropertyNameType]: PropertyValueType};

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