SymbolTypes:
    VAR: &var 0
    CONSTRUCTOR: &constructor 1
    FUNC: &func 2
# Internal patterns to save typing
__type: &__type
    id: null
    callable: *var
    args: null
    type: null
    attr: {}
    template: null
    argsTemplate: null
__func: &__func
    callable: *func
    args: []
    attr: {}
    template: null
    argsTemplate: null