String (@NotNull String filePath, @NotNull PySignature signature, @NotNull String oldSignatureString) { if (SHOULD_OVERWRITE_TYPES) { return signatureToString(signature); } else { //noinspection ConstantConditions return signatureToString(stringToSignature(filePath, oldSignatureString).addAllArgs(signature).addReturnType(signature.getReturnTypeQualifiedName())); } }