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function makePrefix(key: any, last: any) {    let str = (last ? '└' : '├');    if (key) {        str += '─ ';    } else {        str += '──┐';    }    return str;}
function filterKeys(obj: any, hideFunctions: any) {    let keys = [];    for (let branch in obj) {        if (!obj.hasOwnProperty(branch)) {            continue;        }        if (hideFunctions && ((typeof obj[branch]) === "function")) {            continue;        }        keys.push(branch);    }    return keys;}
function growBranch(key: any, root: any, last: any, lastStates: any, showValues: any, hideFunctions: any, callback: any) {    let line = '', index = 0, lastKey, circular: any, lastStatesCopy = lastStates.slice(0);
    if (lastStatesCopy.push([root, last]) && lastStates.length > 0) {        lastStates.forEach(function (lastState: any, idx: any) {            if (idx > 0) {                line += (lastState[1] ? ' ' : '│') + '  ';            }            if (!circular && lastState[0] === root) {                circular = true;            }        });        line += makePrefix(key, last) + key;        showValues && (typeof root !== 'object' || root instanceof Date) && (line += ': ' + root);        circular && (line += ' (circular ref.)');
        callback(line);    }
    if (!circular && typeof root === 'object') {        let keys = filterKeys(root, hideFunctions);        keys.forEach(function (branch) {            lastKey = ++index === keys.length;            growBranch(branch, root[branch], lastKey, lastStatesCopy, showValues, hideFunctions, callback);        });    }};
let jsonTree = function (obj: any, showValues: any, hideFunctions?: any) {    let tree = '';    growBranch('.', obj, false, [], showValues, hideFunctions, function (line: any) {        tree += line + '\n';    });    return tree;};
export {jsonTree};