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import { BigNumber } from '@0xproject/utils';
export abstract class AbstractBalanceAndProxyAllowanceLazyStore {
public abstract async getBalanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber>;
public abstract async getProxyAllowanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber>;
public abstract setBalance(tokenAddress: string, userAddress: string, balance: BigNumber): void;
public abstract deleteBalance(tokenAddress: string, userAddress: string): void;
public abstract setProxyAllowance(tokenAddress: string, userAddress: string, proxyAllowance: BigNumber): void;
public abstract deleteProxyAllowance(tokenAddress: string, userAddress: string): void;
public abstract deleteAll(): void;
}
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