| 1 | import { ValidationOptions } from '../ValidationOptions';
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| 2 | export declare const ARRAY_UNIQUE = "arrayUnique";
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| 3 | export type ArrayUniqueIdentifier<T = any> = (o: T) => any;
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| 4 | /**
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| 5 | * Checks if all array's values are unique. Comparison for objects is reference-based.
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| 6 | * If null or undefined is given then this function returns false.
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| 7 | */
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| 8 | export declare function arrayUnique(array: unknown[], identifier?: ArrayUniqueIdentifier): boolean;
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| 9 | /**
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| 10 | * Checks if all array's values are unique. Comparison for objects is reference-based.
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| 11 | * If null or undefined is given then this function returns false.
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| 12 | */
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| 13 | export declare function ArrayUnique<T = any>(identifierOrOptions?: ArrayUniqueIdentifier<T> | ValidationOptions, validationOptions?: ValidationOptions): PropertyDecorator;
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