export type Sansed = string & {
    __IS_SANSED__: string;
};
export declare function sansPrefix(address: string): Sansed;
export declare function isSansed(str: string): str is Sansed;
export type Prefixed = string & {
    __IS_PREFIXED__: string;
};
export declare function withPrefix(address: string): Prefixed;