import type { ChainMetadata } from "./types.js";
/**
 * Returns chain metadata for the given chain ID, or `undefined` if unknown.
 * Accepts both `number` and `bigint` to align with SDK's `TokenEntry.chainId`.
 */
export declare function getChainMetadata(chainId: number | bigint): ChainMetadata | undefined;
/**
 * Returns a human-readable chain name.
 * Falls back to `"Chain {chainId}"` when the chain is not recognised.
 */
export declare function getChainDisplayName(chainId: number | bigint): string;
/**
 * Returns the short label for a chain (e.g. "ARB", "ETH").
 * Falls back to `undefined` when the chain is not recognised.
 */
export declare function getChainShortName(chainId: number | bigint): string | undefined;
/**
 * Builds a block-explorer transaction URL.
 * Returns `undefined` when the chain is not recognised.
 */
export declare function getExplorerTxUrl(chainId: number | bigint, txHash: string): string | undefined;
/**
 * Resolves a chain name or token label to an EVM chain ID.
 * The lookup is case-insensitive.
 * Returns `undefined` when the name is not recognised.
 */
export declare function resolveChainId(name: string): number | undefined;
/**
 * Converts a token / network label (e.g. "arb-sepolia", "ethereum")
 * to a user-friendly display name (e.g. "Arbitrum Sepolia", "Ethereum").
 *
 * Resolution order:
 * 1. Override table ({@link LABEL_DISPLAY_OVERRIDES})
 * 2. Resolve label → chainId → metadata name
 * 3. Capitalize the first letter of the label as a last resort
 */
export declare function resolveNetworkDisplayName(label: string): string;
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