- isChainConfig(network): network is {
chainId: number;
nativeCurrency: { symbol: string; name: string; decimals: number; };
rpc: string[];
slug: string;
} | Chain Returns network is {
chainId: number;
nativeCurrency: { symbol: string; name: string; decimals: number; };
rpc: string[];
slug: string;
} | Chain
Check whether a NetworkInput value is a Chain config (naively, without parsing)