You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: rsa.go
    path of file: ./repos/hoverfly/vendor/github.com/golang-jwt/jwt/v4
    
    the code of the file until where you have to start completion: package jwt

import (
	"crypto"
	"crypto/rand"
	"crypto/rsa"
)

// SigningMethodRSA implements the RSA family of signing methods.
// Expects *rsa.PrivateKey for signing and *rsa.PublicKey for validation
type SigningMethodRSA struct {
	Name string
	Hash crypto.Hash
}

// Specific instances for RS256 and company
var (
	SigningMethodRS256 *SigningMethodRSA
	SigningMethodRS384 *Signi
    
func init() {
	// RS256
	SigningMethodRS256 = &SigningMethodRSA{"RS256", crypto.SHA256}
	RegisterSigningMethod(SigningMethodRS256.Alg(), func() SigningMethod {
		return SigningMethodRS256
	})

	// RS384
	SigningMethodRS384 = &SigningMethodRSA{"RS384", crypto.SHA384}
	RegisterSigningMethod(SigningMethodRS384.Alg(), func() SigningMethod {
		return SigningMethodRS384
	})

	// RS512
	SigningMethodRS512 = &SigningMethodRSA{"RS512", crypto.SHA512}
	RegisterSigningMethod(SigningMethodRS512.Alg(), func() SigningMethod {
		return SigningMethodRS512
	})
}