/** Ankr certificate tokens (ankrETH / ankrBNB / ankrAVAX / ankrMATIC)
 *  expose `ratio()` — the 1e18-scaled *shares-per-underlying* rate
 *  (inverse of the usual convention). It decreases as staking rewards
 *  accrue, so underlying-per-share = 1e18 * 1e18 / ratio(). */
export declare const AnkrRatioAbi: readonly [{
    readonly name: "ratio";
    readonly type: "function";
    readonly stateMutability: "view";
    readonly inputs: readonly [];
    readonly outputs: readonly [{
        readonly type: "uint256";
    }];
}];
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