syntax = "proto3";

package xds.core.v3;

import "xds/annotations/v3/status.proto";

option java_outer_classname = "ContextParamsProto";
option java_multiple_files = true;
option java_package = "com.github.xds.core.v3";
option go_package = "github.com/cncf/xds/go/xds/core/v3";

option (xds.annotations.v3.file_status).work_in_progress = true;

// Additional parameters that can be used to select resource variants. These include any
// global context parameters, per-resource type client feature capabilities and per-resource
// type functional attributes. All per-resource type attributes will be `xds.resource.`
// prefixed and some of these are documented below:
// `xds.resource.listening_address`: The value is "IP:port" (e.g. "10.1.1.3:8080") which is
//   the listening address of a Listener. Used in a Listener resource query.
message ContextParams {
    map<string, string> params = 1;
}