@NotNull
public KotlinType getArrayElementType(@NotNull KotlinType arrayType) {
if (isArray(arrayType)) {
if (arrayType.getArguments().size() != 1) {
throw new IllegalStateException();
}
return arrayType.getArguments().get(0).getType();
}
KotlinType primitiveType =
kotlinArrayTypeToPrimitiveKotlinType.get(TypeUtils.makeNotNullable(arrayType));
if (primitiveType == null) {
throw new IllegalStateException("not array: " + arrayType);
}
return primitiveType;
}
@NotNull
public KotlinType getNullableAnyType() {
return TypeUtils.makeNullable(getAnyType());
}
@NotNull
public KotlinType getNullableNothingType() {
return TypeUtils.makeNullable(getNothingType());
}