src/main/java/com/mes/sdk/gateway/GatewaySettings.java
public final GatewaySettings credentials(String id, String key) {
        this.profileId = id;
        this.profileKey = key;
        return this;
    }
/**
     * Sets the profile ID and profile Key which are used to authenticate with the Payment Gateway
     *
     * @param id
     * @param key
     */
Sets the profile ID and profile Key which are used to authenticate with the Payment Gateway
@param id
@param key
Sets the profile ID and profile Key which are used to authenticate with the Payment Gateway @param id @param key
public final GatewaySettings credentials(String id, String key) {
        this.profileId = id;
        this.profileKey = key;
        return this;
    }
public final GatewaySettings credentials ( String id , String key ) { this . profileId = id ; this . profileKey = key ; return this ; }
Sets the profile ID and profile Key which are used to authenticate with the Payment Gateway
 @param id
 @param key
Sets the profile ID and profile Key which are used to authenticate with the Payment Gateway @param id @param key