How to use the botframework-connector.SkillValidation.isSkillClaim function in botframework-connector

public async createConnectorClientWithIdentity(serviceUrl: string, identity: ClaimsIdentity): Promise {
        if (!identity) {
            throw new Error('BotFrameworkAdapter.createConnectorClientWithScope(): invalid identity parameter.');
        }

        const botAppId = identity.getClaimValue(AuthenticationConstants.AudienceClaim) ||
            identity.getClaimValue(AuthenticationConstants.AppIdClaim);

        // Anonymous claims and non-skill claims should fall through without modifying the scope.
        let credentials: AppCredentials = this.credentials;

        // If the request is for skills, we need to create an AppCredentials instance with
        // the correct scope for communication between the caller and the skill.
        if (botAppId && SkillValidation.isSkillClaim(identity.claims)) {
            const scope = JwtTokenValidation.getAppIdFromClaims(identity.claims);
            if (this.credentials.oAuthScope === scope) {
                // Do nothing, the current credentials and its scope are valid for the skill.
                // i.e. the adatper instance is pre-configured to talk with one skill.
            } else {
                // Since the scope is different, we will create a new instance of the AppCredentials
                // so this.credentials.oAuthScope isn't overridden.
                credentials = await this.buildCredentials(botAppId, scope);

                if (JwtTokenValidation.isGovernment(this.settings.channelService)) {
                    credentials.oAuthEndpoint = GovernmentConstants.ToChannelFromBotLoginUrl;
                    // Not sure that this code is correct because the scope was set earlier.
                    credentials.oAuthScope = GovernmentConstants.ToChannelFromBotOAuthScope;
                }
            }
        }

const allowedCallersClaimsValidator = async (claims) => {
    // For security, developer must specify allowedCallers.
    if (!allowedCallers || allowedCallers.length === 0) {
        throw new Error('AllowedCallers not specified in .env.');
    }
    // If allowedCallers contains '*', we allow all calls.
    if (!allowedCallers.includes('*') && SkillValidation.isSkillClaim(claims)) {
        // Check that the appId claim in the skill request is in the list of skills configured for this bot.
        const appId = JwtTokenValidation.getAppIdFromClaims(claims);
        if (!allowedCallers.includes(appId)) {
            throw new Error(`Received a request from a bot with an app ID of "${ appId }". To enable requests from this caller, add the app ID to your configuration file.`);
        }
    }
};

const allowedSkillsClaimsValidator = async (claims) => {
    // For security, developer must specify allowedSkills.
    if (!allowedSkills || allowedSkills.length === 0) {
        throw new Error('AllowedCallers not specified in .env.');
    }
    if (!allowedSkills.includes('*') && SkillValidation.isSkillClaim(claims)) {
        // Check that the appId claim in the skill request is in the list of skills configured for this bot.
        const appId = JwtTokenValidation.getAppIdFromClaims(claims);
        if (!allowedSkills.includes(appId)) {
            throw new Error(`Received a request from an application with an appID of "${ appId }". To enable requests from this skill, add the skill to your configuration file.`);
        }
    }
};

const allowedCallersClaimsValidator = async (claims) => {
    // For security, developer must specify allowedCallers.
    if (!allowedCallers || allowedCallers.length === 0) {
        throw new Error('AllowedCallers not specified in .env.');
    }
    // If allowedCallers contains an '*', we allow all callers.
    if (!allowedCallers.includes('*') && SkillValidation.isSkillClaim(claims)) {
        // Check that the appId claim in the skill request is in the list of callers configured for this bot.
        const appId = JwtTokenValidation.getAppIdFromClaims(claims);
        if (!allowedCallers.includes(appId)) {
            throw new Error(`Received a request from a bot with an app ID of "${ appId }". To enable requests from this caller, add the app ID to your configuration file.`);
        }
    }
};