import { SettlementChainId, SourceChainId } from "./chains";
export declare function isSettlementChain(chainId: number): chainId is SettlementChainId;
export declare function isSourceChain(chainId: number | undefined, forSettlementChain: number | undefined): chainId is SourceChainId;
/**
 * Check if a chain is a source chain for any settlement chain
 * Useful when settlement chain context is not available
 */
export declare function isSourceChainForAnySettlementChain(chainId: number | undefined): chainId is SourceChainId;