How to use the @babel/helper-module-transforms.ensureStatementsHoisted function in @babel/helper-module-transforms

"=",
                    t.identifier(metadata.name),
                    interop,
                  ),
                );
                header.loc = meta.loc;
                headers.push(header);
              }
            }

            headers.push(
              ...buildNamespaceInitStatements(meta, metadata, loose),
            );
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);

          const { body, directives } = path.node;
          path.node.directives = [];
          path.node.body = [];
          const umdWrapper = path.pushContainer("body", [
            buildWrapper({
              MODULE_NAME: moduleName,

              AMD_ARGUMENTS: t.arrayExpression(amdArgs),
              COMMONJS_ARGUMENTS: commonjsArgs,
              BROWSER_ARGUMENTS: browserArgs,
              IMPORT_NAMES: importNames,

              GLOBAL_TO_ASSIGN: buildBrowserInit(
                browserGlobals,

const header = t.expressionStatement(
                  t.assignmentExpression(
                    "=",
                    t.identifier(metadata.name),
                    interop,
                  ),
                );
                header.loc = meta.loc;
                headers.push(header);
              }
            }

            headers.push(...buildNamespaceInitStatements(meta, metadata));
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);

          const { body, directives } = path.node;
          path.node.directives = [];
          path.node.body = [];
          const umdWrapper = path.pushContainer("body", [
            buildWrapper({
              MODULE_NAME: moduleName,

              AMD_ARGUMENTS: t.arrayExpression(amdArgs),
              COMMONJS_ARGUMENTS: commonjsArgs,
              BROWSER_ARGUMENTS: browserArgs,
              IMPORT_NAMES: importNames,

              GLOBAL_TO_ASSIGN: buildBrowserInit(
                browserGlobals,

header = t.expressionStatement(loadExpr);
            } else {
              header = t.variableDeclaration("var", [
                t.variableDeclarator(
                  t.identifier(metadata.name),
                  wrapInterop(path, loadExpr, metadata.interop) || loadExpr,
                ),
              ]);
            }
            header.loc = metadata.loc;

            headers.push(header);
            headers.push(...buildNamespaceInitStatements(meta, metadata));
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);
        },
      },

"=",
                    t.identifier(metadata.name),
                    interop,
                  ),
                );
                header.loc = metadata.loc;
                headers.push(header);
              }
            }

            headers.push(
              ...buildNamespaceInitStatements(meta, metadata, loose),
            );
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);

          injectWrapper(
            path,
            buildWrapper({
              MODULE_NAME: moduleName,

              AMD_ARGUMENTS: t.arrayExpression(amdArgs),
              IMPORT_NAMES: importNames,
            }),
          );
        },
      },

`;
              } else {
                header = template.ast`
                  var ${metadata.name} = ${init};
                `;
              }
            }
            header.loc = metadata.loc;

            headers.push(header);
            headers.push(
              ...buildNamespaceInitStatements(meta, metadata, loose),
            );
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);
        },
      },

const header = t.expressionStatement(
                  t.assignmentExpression(
                    "=",
                    t.identifier(metadata.name),
                    interop,
                  ),
                );
                header.loc = metadata.loc;
                headers.push(header);
              }
            }

            headers.push(...buildNamespaceInitStatements(meta, metadata));
          }

          ensureStatementsHoisted(headers);
          path.unshiftContainer("body", headers);

          const { body, directives } = path.node;
          path.node.directives = [];
          path.node.body = [];
          const amdWrapper = path.pushContainer("body", [
            buildWrapper({
              MODULE_NAME: moduleName,

              AMD_ARGUMENTS: t.arrayExpression(amdArgs),
              IMPORT_NAMES: importNames,
            }),
          ])[0];
          const amdFactory = amdWrapper
            .get("expression.arguments")
            .filter(arg => arg.isFunctionExpression())[0]