import Long from "long";
import { Timestamp } from "@desmoslabs/desmjs-types/google/protobuf/timestamp";
export declare function omitEmptyString(value: string): string | undefined;
export declare function fromOmitEmptyString(value: string | undefined): string;
export declare function omitEmptyNumber(value: number): number | undefined;
export declare function fromOmitEmptyNumber(value: number | undefined): number;
export declare function omitEmptyArray<T>(value: T[]): T[] | undefined;
export declare function fromOmitEmptyArray<T>(value: T[] | undefined): T[];
export declare function nullIfEmptyArray<T>(value: T[]): T[] | null;
export declare function fromNullIfEmptyArray<T>(value: T[] | null): T[];
export declare function undefinedToNull<T>(value: T | undefined): T | null;
export declare function omitZeroLong(value: Long): string | undefined;
export declare function fromOmitZeroLong(value: string | undefined): Long;
export declare function serializeTimestamp(timestamp: Timestamp | undefined): string | undefined;
export declare function deserializeTimestamp(timestamp: string | undefined): Timestamp | undefined;
export declare function serializeDate(date: Date | undefined): string | undefined;
export declare function deserializeDate(date: string | undefined): Date | undefined;
export declare function omitFalse(value: boolean): boolean | undefined;
export declare function fromOmitFalse(value: boolean | undefined): boolean;
export declare function toBase64UndefinedIfEmpty(value: Uint8Array): string | undefined;
export declare function fromBase64UndefinedIfEmpty(value: string | undefined): Uint8Array;
export declare function toBase64NullIfEmpty(value: Uint8Array): string | null;
export declare function fromBase64NullIfEmpty(value: string | null): Uint8Array;
/**
 * Replace default type values with `undefined`
 * @returns `undefined` if it is the default type value, the original value otherwise
 */
export declare function omitDefault<T extends string | number | Long>(input: T): T | undefined;