web/src/main/java/org/springframework/security/web/server/authentication/AuthenticationWebFilter.java
@Deprecated
	public void setAuthenticationConverter(Function<ServerWebExchange, Mono<Authentication>> authenticationConverter) {
		Assert.notNull(authenticationConverter, "authenticationConverter cannot be null");
		setServerAuthenticationConverter(authenticationConverter::apply);
	}
@Deprecated
	public void setAuthenticationConverter(Function<ServerWebExchange, Mono<Authentication>> authenticationConverter) {
		Assert.notNull(authenticationConverter, "authenticationConverter cannot be null");
		setServerAuthenticationConverter(authenticationConverter::apply);
	}
Sets the strategy used for converting from a {@link ServerWebExchange} to an {@link Authentication} used for
authenticating with the provided {@link ReactiveAuthenticationManager}. If the result is empty, then it signals
that no authentication attempt should be made. The default converter is
{@link ServerHttpBasicAuthenticationConverter}
@param authenticationConverter the converter to use
@deprecated As of 5.1 in favor of {@link #setServerAuthenticationConverter(ServerAuthenticationConverter)}
@see #setServerAuthenticationConverter(ServerAuthenticationConverter)