-record(feature_provider, {
    initialize :: fun((openfeature@evaluation_context:evaluation_context()) -> {ok,
            nil} |
        {error, nil}),
    shutdown :: fun(() -> nil),
    get_metadata :: fun(() -> openfeature@provider:metadata()),
    resolve_bool_evaluation :: fun((binary(), boolean(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(boolean())),
    resolve_string_evaluation :: fun((binary(), binary(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(binary())),
    resolve_int_evaluation :: fun((binary(), integer(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(integer())),
    resolve_float_evaluation :: fun((binary(), float(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(float())),
    resolve_dynamic_evaluation :: fun((binary(), gleam@dynamic:dynamic_(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(gleam@dynamic:dynamic_()))
}).