public Duration getKeepAliveTime() {
        return this.keepAliveTime == null ? DEFAULT_KEEP_ALIVE_TIME : this.keepAliveTime;
    }
Gets the default delay before we send a keepAlive.

@return The default delay before sending keepAlives.

@see #setKeepAliveTime(Duration)
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/config/GrpcChannelProperties.java