export declare const ERR_MSG_UNWRAP_OK_BUT_INPUT_IS_ERR: string;
export declare const ERR_MSG_UNWRAP_ERR_BUT_INPUT_IS_OK: string;
export declare const ERR_MSG_FOR_ERROR_OBJECT_GENERATED_BY_UNWRAP_OR_THROW: string;
export declare const ERR_MSG_THROWN_VALUE_IS_NOT_BUILTIN_ERROR_INSTANCE: string;
export declare const ERR_MSG_CONTAINED_TYPE_E_SHOULD_BE_BUILTIN_ERROR_INSTANCE: string;
export declare const ERR_MSG_DOT_CAUSE_PROPS_IS_NOT_CURRENT_REALM_BUILTIN_ERROR_INSTANCE: string;