export declare function getSessionId(props?: {
    sessionID?: string;
    sessionId?: string;
}): string | undefined;
export declare function getInfoSessionId(props?: {
    info?: {
        sessionID?: string;
        sessionId?: string;
    };
}): string | undefined;
export declare function getPartSessionId(props?: {
    part?: {
        sessionID?: string;
        sessionId?: string;
    };
}): string | undefined;
export declare function getPartMessageId(props?: {
    part?: {
        messageID?: string;
    };
}): string | undefined;
export declare function getDeltaMessageId(props?: {
    messageID?: string;
}): string | undefined;