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+; Specs and Callbacks
+(attribute
+ (stab_clause
+ pattern: (arguments (variable) @local.definition)
+ ; If a spec uses a variable as the return type (and later a `when` clause to type it):
+ body: (variable)? @local.definition)) @local.scope
+
+; parametric `-type`s
+((attribute
+ name: (atom) @_type
+ (arguments
+ (binary_operator
+ left: (call (arguments (variable) @local.definition))
+ operator: "::") @local.scope))
+ (#match? @_type "(type|opaque)"))
+
+; macros
+((attribute
+ name: (atom) @_define
+ (arguments
+ (call (arguments (variable) @local.definition)))) @local.scope
+ (#eq? @_define "define"))
+
+; `fun`s
+(anonymous_function (stab_clause pattern: (arguments (variable) @local.definition))) @local.scope
+
+; Ordinary functions
+(function_clause pattern: (arguments (variable) @local.definition)) @local.scope
+
+(variable) @local.reference