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Library is a wrapper for EtherScan API.

There is a newer version: 2.1.0

package io.api.etherscan.manager;

/**
 * Queue manager to support API limits (EtherScan 5request\sec limit)
 * Managers grants turn if the limit is not exhausted
 * And resets queue each set period
 *
 * @author GoodforGod
 * @since 30.10.2018
 */
public interface IQueueManager {

    /**
     * Waits in queue for chance to take turn
     * @return is turn available
     */
    boolean takeTurn();
}