import type { GasProfile, TraceFrame } from "../types.js";
/**
 * Compute a gas profile from a call tree. The output mirrors the tree shape:
 * each entry attributes the frame's gas usage and computes `selfGas` (gas
 * spent in this frame, excluding nested calls). Percentages are relative to
 * the root frame's `gasUsed`.
 *
 * Uses an explicit stack for both tree construction and bottom-up reduction
 * — safe for arbitrarily deep trees.
 */
export declare function buildGasProfile(root: TraceFrame): GasProfile;
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