import { z } from "zod";
import { ValidationOptions } from "./validation.types";
export declare const BlockIdentifierSchema: z.ZodUnion<[z.ZodEffects<z.ZodString, string, string>, z.ZodNumber]>;
export declare const isBlockIdentifierValid: (blockIdentifier: unknown, options?: ValidationOptions) => {
    success: boolean;
    error?: undefined;
    message?: undefined;
} | {
    success: boolean;
    error: z.ZodError<string | number> | undefined;
    message: string | undefined;
};