/**
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* @license
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* Copyright 2018 Google LLC
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*
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* Use of this source code is governed by an MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT.
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* =============================================================================
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*/
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/// <amd-module name="@tensorflow/tfjs-layers/dist/keras_format/utils" />
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/**
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* Infers a string union type from an array of string literals, and returns
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* the array as an array of that type.
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*
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* For instance:
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*
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* ```
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* const fruits = stringLiteralArray(['apple', 'banana', 'orange']);
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* type Fruit = typeof activationOptions[number];
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* ```
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*
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* now `Fruit` is the union type `'apple'|'banana'|'orange'`.
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*
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* https://stackoverflow.com/questions/52085454/typescript-define-a-union-type-from-an-array-of-strings/52085658
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*/
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export declare function stringLiteralArray<T extends string>(a: T[]): T[];
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