jodd-proxetta/src/main/java/jodd/asm7/MethodVisitor.java
public void visitFieldInsn(
      final int opcode, final String owner, final String name, final String descriptor) {
    if (mv != null) {
      mv.visitFieldInsn(opcode, owner, name, descriptor);
    }
  }
public void visitFieldInsn(
      final int opcode, final String owner, final String name, final String descriptor) {
    if (mv != null) {
      mv.visitFieldInsn(opcode, owner, name, descriptor);
    }
  }
Visits a field instruction. A field instruction is an instruction that loads or stores the
value of a field of an object.

@param opcode the opcode of the type instruction to be visited. This opcode is either
GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
@param owner the internal name of the field's owner class (see {@link Type#getInternalName()}).
@param name the field's name.
@param descriptor the field's descriptor (see {@link Type}).