$BabeEpoch: $.Shape<{
    authorities: (readonly [AccountId32Like, bigint])[];
    config: {
        allowedSlots: "PrimarySlots" | "PrimaryAndSecondaryPlainSlots" | "PrimaryAndSecondaryVRFSlots";
        c: readonly [bigint, bigint];
    };
    duration: bigint;
    epochIndex: bigint;
    randomness: `0x${string}`;
    startSlot: bigint;
}, {
    authorities: [AccountId32, bigint][];
    config: {
        allowedSlots: "PrimarySlots" | "PrimaryAndSecondaryPlainSlots" | "PrimaryAndSecondaryVRFSlots";
        c: [bigint, bigint];
    };
    duration: bigint;
    epochIndex: bigint;
    randomness: `0x${string}`;
    startSlot: bigint;
}> = ...