How to use the @webassemblyjs/ast.indexLiteral function in @webassemblyjs/ast

/**
       * Parse ( vector function index ) *
       */

      var indicesu32 = readU32();
      var indices = indicesu32.value;
      eatBytes(indicesu32.nextIndex);
      dump([indices], "num indices");
      var indexValues = [];

      for (var _i4 = 0; _i4 < indices; _i4++) {
        var indexu32 = readU32();
        var index = indexu32.value;
        eatBytes(indexu32.nextIndex);
        dump([index], "index");
        indexValues.push(t.indexLiteral(index));
      }

      var endLoc = getPosition();
      var elemNode = t.withLoc(t.elem(t.indexLiteral(tableindex), instr, indexValues), endLoc, startLoc);
      elems.push(elemNode);
    }

    return elems;
  } // https://webassembly.github.io/spec/core/binary/types.html#memory-types

function parseElem() {
      var tableIndex = t.indexLiteral(0);
      var offset = [];
      var funcs = [];

      if (token.type === tokens.identifier) {
        tableIndex = identifierFromToken(token);
        eatToken();
      }

      if (token.type === tokens.number) {
        tableIndex = t.indexLiteral(token.value);
        eatToken();
      }

      while (token.type !== tokens.closeParen) {
        if (lookaheadAndCheck(tokens.openParen, keywords.offset)) {
          eatToken(); // (

const getNextTypeIndex = ast => {
	const typeSectionMetadata = t.getSectionMetadata(ast, "type");

	if (typeSectionMetadata === undefined) {
		return t.indexLiteral(0);
	}

	return t.indexLiteral(typeSectionMetadata.vectorOfSize.value);
};

function parseStart(): Start {
      if (token.type === tokens.identifier) {
        const index = identifierFromToken(token);
        eatToken();

        return t.start(index);
      }

      if (token.type === tokens.number) {
        const index = t.indexLiteral(token.value);
        eatToken();

        return t.start(index);
      }

      throw new Error("Unknown start, token: " + tokenToString(token));
    }

const getNextFuncIndex = (ast, countImportedFunc) => {
	const funcSectionMetadata = t.getSectionMetadata(ast, "func");

	if (funcSectionMetadata === undefined) {
		return t.indexLiteral(0 + countImportedFunc);
	}

	const vectorOfSize = funcSectionMetadata.vectorOfSize.value;

	return t.indexLiteral(vectorOfSize + countImportedFunc);
};

const funcBody = importedGlobals.reduce((acc, importedGlobal, index) => {
		const args = [t.indexLiteral(index)];
		const body = [
			t.instruction("get_local", args),
			t.instruction("set_global", args)
		];

		return [...acc, ...body];
	}, []);

function parseElem(): Elem {
      let tableIndex = t.indexLiteral(0);

      const offset = [];
      const funcs = [];

      if (token.type === tokens.identifier) {
        tableIndex = identifierFromToken(token);
        eatToken();
      }

      if (token.type === tokens.number) {
        tableIndex = t.indexLiteral(token.value);
        eatToken();
      }

      while (token.type !== tokens.closeParen) {
        if (lookaheadAndCheck(tokens.openParen, keywords.offset)) {

const initialGlobalidx = init.args[0];

				node.init = [
					createDefaultInitForGlobal(node.globalType),
					t.instruction("end")
				];

				additionalInitCode.push(
					/**
					 * get_global in global initilizer only work for imported globals.
					 * They have the same indices than the init params, so use the
					 * same index.
					 */
					t.instruction("get_local", [initialGlobalidx]),
					t.instruction("set_global", [t.indexLiteral(newGlobals.length)])
				);
			}

			newGlobals.push(node);

			path.remove();
		}
	});

function getNextTypeIndex(ast) {
	const typeSectionMetadata = t.getSectionMetadata(ast, "type");

	if (typeof typeSectionMetadata === "undefined") {
		return t.indexLiteral(0);
	}

	return t.indexLiteral(typeSectionMetadata.vectorOfSize.value);
}