oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/NimbusJwtDecoderJwkSupport.java
public void setJwtValidator(OAuth2TokenValidator<Jwt> jwtValidator) {
		Assert.notNull(jwtValidator, "jwtValidator cannot be null");
		this.jwtValidator = jwtValidator;
		this.delegate.setJwtValidator(jwtValidator);
	}
public void setJwtValidator(OAuth2TokenValidator<Jwt> jwtValidator) {
		Assert.notNull(jwtValidator, "jwtValidator cannot be null");
		this.jwtValidator = jwtValidator;
		this.delegate.setJwtValidator(jwtValidator);
	}
Use this {@link Jwt} Validator

@param jwtValidator - the Jwt Validator to use