Argument not found

import { Argument } from '@sapphire/framework';
import { isNullishOrEmpty } from '@sapphire/utilities';
import { CardRarity } from '../structures/types';

export class RarityArgument extends Argument<string> {
  public run(parameter: string, context: Argument.Context) {
    if (isNullishOrEmpty(parameter)) {
      return this.error({
        context,
        parameter,
        message:
          'No array of options was provided. You should alert the bot developer.',
        identifier: 'NoArrayContextProvided'
      });
    }

    const rarities = ['Common', 'Rare', 'Secret'];
    if (rarities.includes(parameter)) return this.ok(parameter as CardRarity);

    return this.error({
      context,
      parameter,
      message:
        'The provided parameter does not include an element from the array.',
      identifier: 'NotInArrayOfOptions'
    });
  }
}

declare module '@sapphire/framework' {
  interface ArgType {
    rarity: CardRarity;
  }
}

import { Argument } from '@sapphire/framework';
import { isNullishOrEmpty } from '@sapphire/utilities';
import { CardRarity } from '../structures/types';

export class RarityArgument extends Argument<string> {
  public run(parameter: string, context: Argument.Context) {
    if (isNullishOrEmpty(parameter)) {
      return this.error({
        context,
        parameter,
        message:
          'No array of options was provided. You should alert the bot developer.',
        identifier: 'NoArrayContextProvided'
      });
    }

    const rarities = ['Common', 'Rare', 'Secret'];
    if (rarities.includes(parameter)) return this.ok(parameter as CardRarity);

    return this.error({
      context,
      parameter,
      message:
        'The provided parameter does not include an element from the array.',
      identifier: 'NotInArrayOfOptions'
    });
  }
}

declare module '@sapphire/framework' {
  interface ArgType {
    rarity: CardRarity;
  }
}