a "Toggle first element", class: "btn btn-primary", path: "#multiCollapseExample1", data: { "bs-toggle": "collapse" }, 'aria-expanded': "false", 'aria-controls': "multiCollapseExample1", 'role': "button"
bs_btn "Toggle second element", data: { "bs-toggle": "collapse", "bs-target": "#multiCollapseExample2" }, 'aria-expanded': "false", 'aria-controls': "multiCollapseExample2"
bs_btn "Toggle both element", data: { "bs-toggle": "collapse", "bs-target": ".multi-collapse" }, 'aria-expanded': "false", 'aria-controls': "multiCollapseExample1 multiCollapseExample2"
bs_collapse id: "multiCollapseExample1", card: "Random text for card body content #1", multi: true
bs_collapse id: "multiCollapseExample2", card: "Random text for card body content #2", multi: true