public int getRefreshThreshold() {
        return this.refreshThreshold;
    }
Get the refresh threshold for the session credentials created by this client in
seconds. This value will be used internally to determine if new
credentials should be fetched from STS. 

@see com.amazonaws.services.securitytoken.model.AssumeRoleWithWebIdentityRequest 

@return The refresh threshold for session credentials created by this provider
aws-java-sdk-sts/src/main/java/com/amazonaws/auth/WebIdentityFederationSessionCredentialsProvider.java