import { ChainForkConfig } from "@lodestar/config";
import { IForkChoice, ProtoBlock } from "@lodestar/fork-choice";
import { RootHex, Slot } from "@lodestar/types";
import { IClock } from "../../util/clock.js";
import { IChainOptions } from "../options.js";
import { IBlockInput } from "./blockInput/types.js";
import { ImportBlockOpts } from "./types.js";
/**
 * Verifies some early cheap sanity checks on the block before running the full state transition.
 *
 * - Parent is known to the fork-choice
 * - Check skipped slots limit
 * - check_block_relevancy()
 *   - Block not in the future
 *   - Not genesis block
 *   - Block's slot is < Infinity
 *   - Not finalized slot
 *   - Not already known
 */
export declare function verifyBlocksSanityChecks(chain: {
    forkChoice: IForkChoice;
    clock: IClock;
    config: ChainForkConfig;
    opts: IChainOptions;
    blacklistedBlocks: Map<RootHex, Slot | null>;
}, blocks: IBlockInput[], opts: ImportBlockOpts): {
    relevantBlocks: IBlockInput[];
    parentSlots: Slot[];
    parentBlock: ProtoBlock | null;
};
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