Function applyClientAuthentication

applyClientAuthentication(
    method: ClientAuthMethod,
    clientInformation: {
        client_id: string;
        client_id_issued_at?: number;
        client_secret?: string;
        client_secret_expires_at?: number;
    },
    headers: Headers,
    params: URLSearchParams,
): void
Applies client authentication to the request based on the specified method.

Implements OAuth 2.1 client authentication methods:
- client_secret_basic: HTTP Basic authentication (RFC 6749 Section 2.3.1)
- client_secret_post: Credentials in request body (RFC 6749 Section 2.3.1)
- none: Public client authentication (RFC 6749 Section 2.1)
Parameters
- method: ClientAuthMethod
  The authentication method to use
- clientInformation: {
      client_id: string;
      client_id_issued_at?: number;
      client_secret?: string;
      client_secret_expires_at?: number;
  }
  OAuth client information containing credentials
- headers: Headers
  HTTP headers object to modify
- params: URLSearchParams
  URL search parameters to modify
Returns void
Throws
When required credentials are missing
- Defined in packages/client/src/client/auth.ts:453