{
  "name": "map_prefix_keys",
  "type": "function",
  "groups": ["Maps"],
  "description": "Returns a map with all keys prefixed by a given string.",
  "arguments": [{
    "arg": "map",
    "description": "a map"
  }, {
    "arg": "prefix",
    "description": "a string"
  }],
  "examples": [{
    "expression": "map_prefix_keys(map('1','one','2','two'), 'prefix-')",
    "returns": "{ 'prefix-1': 'one', 'prefix-2': 'two' }"
  }],
  "tags": ["prefixed", "keys", "map"]
}