CacheExpires helper function to determine remaining time before repeating a request.

NewAPIClient creates a new API client.

List of protobufNullValue.

ContextAccessToken takes a string oauth2 access token as authentication for the request.

ContextAPIKey takes an APIKey as authentication for the request.

ContextBasicAuth takes BasicAuth as authentication for the request.

ContextOAuth2 takes a oauth2.TokenSource as authentication for the request.

APIClient manages communication with the Echo Service API vversion not set In most cases there should be only one, shared, APIClient.

APIKey provides API key based authentication to a request passed via context using ContextAPIKey.

BasicAuth provides basic http authentication to a request passed via context using ContextBasicAuth.

DynamicMessage represents a message which can have its structure built dynamically using Struct and Values.

Embedded represents a message embedded in SimpleMessage.

SimpleMessage represents a simple message sent to the Echo service.

GenericSwaggerError Provides access to the body, error and model on returned errors.

`Any` contains an arbitrary serialized protocol buffer message along with a URL that describes the type of the serialized message.

The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs.

ProtobufNullValue : `NullValue` is a singleton enumeration to represent the null value for the `Value` type union.