| 1 | // Type definitions for define-properties 1.1
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| 2 | // Project: https://github.com/ljharb/define-properties#readme
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| 3 | // Definitions by: ExE Boss <https://github.com/ExE-Boss>
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| 4 | // Jordan Harband <https://github.com/ljharb>
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| 5 | // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
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| 6 | // TypeScript Version: 2.3
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| 7 |
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| 8 | declare namespace defineProperties {
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| 9 | /**
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| 10 | * Whether the current environment correctly supports property descriptors.
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| 11 | */
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| 12 | const supportsDescriptors: boolean;
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| 13 | }
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| 14 |
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| 15 | /**
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| 16 | * Defines new properties in `map` as non-enumerable if they don't already
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| 17 | * exist on `object`.
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| 18 | *
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| 19 | * @param object The object to define non-enumerable properties on.
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| 20 | * @param map The map of newly defined properties.
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| 21 | * @param predicates The optional predicates map, return `true` to override existing properties on `object`.
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| 22 | */
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| 23 | declare function defineProperties<M extends object>(
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| 24 | object: object,
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| 25 | map: M & ThisType<any>,
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| 26 | predicates?: Partial<Record<keyof M, () => boolean>>,
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| 27 | ): void;
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| 28 | export = defineProperties;
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