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import { Subscription } from "./utils.ts"
export type NetworkConfig = {  totalAttempts: number  maxParallel: number  timeoutMs: number}
export type MaybeRuntimeSpec = {  type: "valid"  spec: RuntimeSpec} | {  type: "invalid"  error: string}export type RuntimeSpec = {  specName: string  implName: string  authoringVersion: number  specVersion: number  implVersion: number  transactionVersion?: number  apis: Record<string, number>}
export type ChainHeadUnstableFollowEvent = {  event: "initialized"  finalizedBlockHash: string  finalizedBlockRuntime?: MaybeRuntimeSpec} | {  event: "newBlock"  blockHash: string  parentBlockHash: string  newRuntime?: MaybeRuntimeSpec} | {  event: "bestBlockChanged"  bestBlockHash: string} | {  event: "finalized"  finalizedBlockHashes: string[]  prunedBlockHashes: string[]} | {  event: "stop"}
export type TransactionWatchEvent = {  event: "validated"} | {  event: "broadcasted"  numPeers: number} | {  event: "bestChainBlockIncluded"  block?: TransactionWatchEventBlock} | {  event: "finalized"  block: TransactionWatchEventBlock} | {  event: "error"  error: string} | {  event: "invalid"  error: string} | {  event: "dropped"  broadcasted: boolean  error: string}
export type TransactionWatchEventBlock = {  hash: string  index: string}
export type SmoldotRpc = {  chainHead_unstable_body(    followSubscription: string,    hash: string,    networkConfig?: NetworkConfig,  ): string  chainHead_unstable_call(    followSubscription: string,    hash: string,    fn: string,    callParameters: string,    networkConfig?: NetworkConfig,  ): string  chainHead_unstable_follow(    runtimeUpdates: boolean,  ): Subscription<"chainHead_unstable_follow", ChainHeadUnstableFollowEvent>  chainHead_unstable_genesisHash(): string  chainHead_unstable_header(followSubscription: string, hash: string): string  chainHead_unstable_stopBody(subscription: string): void  chainHead_unstable_stopCall(subscription: string): void  chainHead_unstable_stopStorage(subscription: string): void  chainHead_unstable_storage(    followSubscription: string,    hash: string,    key: string,    childKey?: string,    networkConfig?: NetworkConfig,  ): string  chainHead_unstable_unfollow(followSubscription: string): void  chainHead_unstable_unpin(followSubscription: string, hash: string): void  chainSpec_unstable_chainName(): string  chainSpec_unstable_genesisHash(): string  chainSpec_unstable_properties(): Record<string, unknown>  sudo_unstable_p2pDiscover(multiaddr: string): void  sudo_unstable_version(): string  transaction_unstable_submitAndWatch(    transaction: string,  ): Subscription<"transaction_unstable_submitAndWatch", TransactionWatchEvent>  transaction_unstable_unwatch(subscription: string): void  chainHead_unstable_finalizedDatabase(maxSizeBytes?: bigint): string}
// TODO: do we even care about narrowing error code?export type ParseErrorCode = -32700export type InvalidRequestCode = -32600export type MethodNotFoundCode = -32601export type InvalidParamsCode = -32602export type InternalErrorCode = -32603export type ServerErrorCode = number /*[-32099..=-32000]*/export type MethodErrorCode = number /* [-32700..=-32000]*/