import type { FunctionFragment, AbiParamsCommon, GetOutputsType, ContractAbiInterface } from '../types/ABI.js';
import type { FunctionSelector } from '../types/Contract.js';
export declare function decodeParams(names: string[], types: string[], output: string, ignoreMethodHash?: boolean): any;
export declare function encodeParams(types: string[], values: any[]): string;
export declare function encodeParamsV2ByABI(funABI: FunctionFragment, args: any[]): string;
export declare function decodeParamsV2ByABI<T extends FunctionFragment>(funABI: T, data: string | Uint8Array): GetOutputsType<T["outputs"]>;
export declare function encodeFunctionData(funcABI: FunctionFragment, args?: any[]): string;
export declare function buildFullTypeDefinition(typeDef: AbiParamsCommon): string;
export declare function buildFunctionSelector<F extends FunctionFragment>(fragment: F): FunctionSelector<F>;
/** Distinct input-arities of the named overloads, ascending — for arg-count errors. */
export declare function overloadArities(abi: ContractAbiInterface, functionName: string): number[];
/**
 * Resolve the ABI fragment for a (possibly overloaded) function call, using the
 * supplied args (arity, then runtime types) to pick the correct overload.
 * A non-overloaded name resolves to its single fragment regardless of args; the
 * full signature (e.g. `"transfer(address,uint256)"`) may be passed as
 * `functionName` to select an overload explicitly.
 *
 * Used only by the contract read/write namespaces; the legacy Contract/Method
 * layer keeps its own selector/signature-keyed resolution.
 */
export declare function resolveFunctionFragment(abi: ContractAbiInterface, functionName: string, args: readonly unknown[] | undefined): FunctionFragment;
export declare function isReadOnlyFunctionFragment(fragment: FunctionFragment): boolean;