message: refactor(register): public fx before private
diff: @@ -66,27 +66,10 @@ export class Register {
  );
  }
  - private static isBlackHoleRegister(registerName: string): boolean {
  - return registerName === '_';
  - }
  -
  - private static isClipboardRegister(registerName: string): boolean {
  - const register = Register.registers[registerName];
  - return register && register.isClipboardRegister;
  - }
  -
  public static isValidRegisterForMacro(register: string): boolean {
  return /^[a-zA-Z0-9]+$/.test(register);
  }
  - private static isValidLowercaseRegister(register: string): boolean {
  - return /^[a-z]+$/.test(register);
  - }
  -
  - private static isValidUppercaseRegister(register: string): boolean {
  - return /^[A-Z]+$/.test(register);
  - }
  -
  /**
  * Puts content in a register. If none is specified, uses the default
  * register ".
  @@ -117,6 +100,23 @@ export class Register {
  }
  }
  + private static isBlackHoleRegister(registerName: string): boolean {
  + return registerName === '_';
  + }
  +
  + private static isClipboardRegister(registerName: string): boolean {
  + const register = Register.registers[registerName];
  + return register && register.isClipboardRegister;
  + }
  +
  + private static isValidLowercaseRegister(register: string): boolean {
  + return /^[a-z]+$/.test(register);
  + }
  +
  + private static isValidUppercaseRegister(register: string): boolean {
  + return /^[A-Z]+$/.test(register);
  + }
  +
  /**
  * Puts the content at the specified index of the multicursor Register.
  *
  