How to use the @0x/sol-tracing-utils.collectCoverageEntries function in @0x/sol-tracing-utils

export const coverageHandler: SingleFileSubtraceHandler = (
    contractData: ContractData,
    subtrace: Subtrace,
    pcToSourceRange: { [programCounter: number]: SourceRange },
    fileIndex: number,
): Coverage => {
    const absoluteFileName = contractData.sources[fileIndex];
    const coverageEntriesDescription = collectCoverageEntries(contractData.sourceCodes[fileIndex], IGNORE_REGEXP);

    // if the source wasn't provided for the fileIndex, we can't cover the file
    if (_.isUndefined(coverageEntriesDescription)) {
        return {};
    }

    let sourceRanges = _.map(subtrace, structLog => pcToSourceRange[structLog.pc]);
    sourceRanges = _.compact(sourceRanges); // Some PC's don't map to a source range and we just ignore them.
    // By default lodash does a shallow object comparison. We JSON.stringify them and compare as strings.
    sourceRanges = _.uniqBy(sourceRanges, s => JSON.stringify(s)); // We don't care if one PC was covered multiple times within a single transaction
    sourceRanges = _.filter(sourceRanges, sourceRange => sourceRange.fileName === absoluteFileName);
    const branchCoverage: BranchCoverage = {};
    const branchIds = _.keys(coverageEntriesDescription.branchMap);
    for (const branchId of branchIds) {
        const branchDescription = coverageEntriesDescription.branchMap[branchId];
        const branchIndexToIsBranchCovered = _.map(branchDescription.locations, location => {

export const profilerHandler: SingleFileSubtraceHandler = (
    contractData: ContractData,
    subtrace: Subtrace,
    pcToSourceRange: { [programCounter: number]: SourceRange },
    fileIndex: number,
): Coverage => {
    const absoluteFileName = contractData.sources[fileIndex];
    const profilerEntriesDescription = collectCoverageEntries(contractData.sourceCodes[fileIndex]);
    const statementToGasConsumed: { [statementId: string]: number } = {};
    const statementIds = _.keys(profilerEntriesDescription.statementMap);
    for (const statementId of statementIds) {
        const statementDescription = profilerEntriesDescription.statementMap[statementId];
        const totalGasCost = _.sum(
            _.map(subtrace, structLog => {
                const sourceRange = pcToSourceRange[structLog.pc];
                if (_.isUndefined(sourceRange)) {
                    return 0;
                }
                if (sourceRange.fileName !== absoluteFileName) {
                    return 0;
                }
                if (utils.isRangeInside(sourceRange.location, statementDescription)) {
                    return structLog.gasCost;
                } else {