/**
 * Keyword to be sent in MO to remove MSISDN to a group
 */
export interface RemoveKeyword {
    /** Opt-out keyword like "LEAVE" if `auto_update.to` is dedicated long/short number or unique brand keyword like "Sinch" if it is a shared short code. */
    first_word: string;
    /** Opt-out keyword like "LEAVE" if `auto_update.to` is shared short code. */
    second_word?: string;
}
/** Validation regex for first_word */
export declare const firstWordPattern: RegExp;
/** Validation regex for second_word */
export declare const secondWordPattern: RegExp;