-module(openfeature@provider).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export_type([feature_provider/0, metadata/0]).

-type feature_provider() :: {feature_provider,
        fun((openfeature@evaluation_context:evaluation_context()) -> {ok, nil} |
            {error, nil}),
        fun(() -> nil),
        fun(() -> metadata()),
        fun((binary(), boolean(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(boolean())),
        fun((binary(), binary(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(binary())),
        fun((binary(), integer(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(integer())),
        fun((binary(), float(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(float())),
        fun((binary(), gleam@dynamic:dynamic_(), openfeature@evaluation_context:evaluation_context()) -> openfeature@evaluation:resolution_details(gleam@dynamic:dynamic_()))}.

-type metadata() :: {metadata, binary()}.