Trait TokenProvider 

pub trait TokenProvider: Send + Sync {
    // Required method
    fn token(&self) -> String;
}

Provides access tokens for VertexAI authentication.

Implement this trait to supply dynamically refreshed tokens. The default implementation reads GOOGLE_ACCESS_TOKEN from the environment.

Required Methods

fn token(&self) -> String

Return a valid access token. Called before each generate() request when using VertexAI variant.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl TokenProvider for EnvTokenProvider

impl TokenProvider for GcloudTokenProvider