export type SkypeParticipants = string | string[];
export type SkypeAudioParticipantList = {
    /**
     * Skype Names or phone numbers.
     */
    participants: SkypeParticipants;
};
export type SkypeNameParticipantList = {
    /**
     * Skype Names.
     */
    participants: SkypeParticipants;
};
export type SkypeTopic = {
    /**
     * Conference call or multi chat topic.
     */
    topic?: string;
};
export declare function skypeParticipantList(participants: SkypeParticipants): string;
export declare function skypeActionUrl(action: 'call' | 'chat', participants: SkypeParticipants, params?: Record<string, unknown>): string;