/**
 * @description
 *
 * Type for user alias. Technically it is a string, but it has an additional
 * marker (tag) to distinguish it from other strings at the compilation level,
 * and mark that it was actually validated as a user alias.
 *
 * You should not cast any string to this type, but instead use `resolveUserAlias`
 * function to get the user alias.
 */
export type UserAlias = string & {
    __userAlias__: void;
};
export declare function asValidUserAlias(value: unknown): UserAlias;
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