function expected_block_type(node) {
	e(node, 'expected_block_type', `Expected 'if', 'each', 'await', 'key' or 'snippet'\nhttps://svelte.dev/e/expected_block_type`);
}
Expected 'if', 'each', 'await', 'key' or 'snippet'
@param {null | number | NodeLike} node
@returns {never}