1 | import { ValidationOptions } from '../ValidationOptions';
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2 | import ValidatorJS from 'validator';
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3 | export declare const IS_ALPHA = "isAlpha";
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4 | /**
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5 | * Checks if the string contains only letters (a-zA-Z).
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6 | * If given value is not a string, then it returns false.
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7 | */
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8 | export declare function isAlpha(value: unknown, locale?: ValidatorJS.AlphaLocale): boolean;
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9 | /**
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10 | * Checks if the string contains only letters (a-zA-Z).
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11 | * If given value is not a string, then it returns false.
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12 | */
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13 | export declare function IsAlpha(locale?: string, validationOptions?: ValidationOptions): PropertyDecorator;
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