Variable mentionSchemaConst

mentionSchema: SchemaWithPipe<
    readonly [
        ObjectSchema<
            {
                acct: StringSchema<undefined>;
                id: StringSchema<undefined>;
                url: SchemaWithFallback<
                    SchemaWithPipe<
                        readonly [StringSchema<undefined>, UrlAction<string, undefined>],
                    >,
                    "",
                >;
                username: SchemaWithFallback<StringSchema<undefined>, "">;
            },
            undefined,
        >,
        TransformAction<
            { acct: string; id: string; url: string; username: string },
            { acct: string; id: string; url: string; username: string },
        >,
    ],
> = ...