VSCode: How to perform "Clear Search Results" in "Find in Files" without using the mouse?

Update:

Now you can add keybindings for these commands. Example:

{
    "key": "cmd+escape",
    "command": "search.action.clearSearchResults",
    "when": "editorTextFocus"
}

The best way to find these commands is by searching in the Keybindings editor. The others are search.action.refreshSearchResults and search.action.collapseSearchResults.

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Original answer:

Not yet, but there is an open feature request to allow it: https://github.com/Microsoft/vscode/issues/23558