import SwiftOnoneSupport

func foo(_ callback: (_ myInternalParam: Int) -> Void)


[
  {
    key.kind: source.lang.swift.syntaxtype.keyword,
    key.offset: 0,
    key.length: 6
  },
  {
    key.kind: source.lang.swift.syntaxtype.identifier,
    key.offset: 7,
    key.length: 17
  },
  {
    key.kind: source.lang.swift.syntaxtype.keyword,
    key.offset: 26,
    key.length: 4
  },
  {
    key.kind: source.lang.swift.syntaxtype.identifier,
    key.offset: 31,
    key.length: 3
  },
  {
    key.kind: source.lang.swift.syntaxtype.argument,
    key.offset: 35,
    key.length: 1
  },
  {
    key.kind: source.lang.swift.syntaxtype.parameter,
    key.offset: 37,
    key.length: 8
  },
  {
    key.kind: source.lang.swift.syntaxtype.keyword,
    key.offset: 48,
    key.length: 1
  },
  {
    key.kind: source.lang.swift.syntaxtype.identifier,
    key.offset: 50,
    key.length: 15
  },
  {
    key.kind: source.lang.swift.ref.struct,
    key.name: "Int",
    key.usr: "s:Si",
    key.offset: 67,
    key.length: 3
  },
  {
    key.kind: source.lang.swift.ref.typealias,
    key.name: "Void",
    key.usr: "s:s4Voida",
    key.offset: 75,
    key.length: 4
  }
]
[
  {
    key.kind: source.lang.swift.decl.function.free,
    key.name: "foo(_:)",
    key.usr: "s:5label3fooyyySiXEF",
    key.offset: 26,
    key.length: 54,
    key.fully_annotated_decl: "<decl.function.free><syntaxtype.keyword>func</syntaxtype.keyword> <decl.name>foo</decl.name>(<decl.var.parameter><decl.var.parameter.argument_label>_</decl.var.parameter.argument_label> <decl.var.parameter.name>callback</decl.var.parameter.name>: <decl.var.parameter.type>(<decl.var.parameter>_ <decl.var.parameter.name>myInternalParam</decl.var.parameter.name>: <decl.var.parameter.type><ref.struct usr=\"s:Si\">Int</ref.struct></decl.var.parameter.type></decl.var.parameter>) -&gt; <decl.function.returntype><ref.typealias usr=\"s:s4Voida\">Void</ref.typealias></decl.function.returntype></decl.var.parameter.type></decl.var.parameter>)</decl.function.free>",
    key.entities: [
      {
        key.kind: source.lang.swift.decl.var.local,
        key.keyword: "_",
        key.name: "callback",
        key.offset: 47,
        key.length: 32
      }
    ]
  }
]