PayPalOneTouch/src/main/java/com/paypal/android/sdk/onetouch/core/config/OAuth2Recipe.java
public ConfigEndpoint getEndpoint(String environment) {
        ConfigEndpoint configEndpoint;
        if (mEndpoints.containsKey(environment)) {
            configEndpoint = mEndpoints.get(environment);
        } else if (mEndpoints.containsKey(DEVELOP)) {
            configEndpoint = mEndpoints.get(DEVELOP);
        } else {
            // default to live as fallback
            configEndpoint = mEndpoints.get(EnvironmentManager.LIVE);
        }

        return configEndpoint;
    }
public ConfigEndpoint getEndpoint(String environment) {
        ConfigEndpoint configEndpoint;
        if (mEndpoints.containsKey(environment)) {
            configEndpoint = mEndpoints.get(environment);
        } else if (mEndpoints.containsKey(DEVELOP)) {
            configEndpoint = mEndpoints.get(DEVELOP);
        } else {
            // default to live as fallback
            configEndpoint = mEndpoints.get(EnvironmentManager.LIVE);
        }

        return configEndpoint;
    }
1. Look for exact match of environment. (Could be mock, live, or a particular host:port.) 2.
If environment is anything other than mock or live, then look for develop. 3. Look for live.
(There should always be a live endpoint specified in any v3 browser-switch recipe.)

@param environment
@return