import type { CostNode, ExecutionProjection, ExecutionRef, StepIoDetail } from "./types.js";
export declare function decodeCostNode(raw: unknown): CostNode | null;
export declare function decodeExecutionRef(raw: unknown): ExecutionRef;
export declare function decodeStepIoDetail(raw: unknown): StepIoDetail;
export declare function decodeExecutionProjection(raw: unknown): ExecutionProjection;