| 123456789101112131415161718192021 | from core.tools.errors import ToolProviderCredentialValidationErrorfrom core.tools.provider.builtin.crossref.tools.query_doi import CrossRefQueryDOIToolfrom core.tools.provider.builtin_tool_provider import BuiltinToolProviderControllerclass CrossRefProvider(BuiltinToolProviderController):    def _validate_credentials(self, credentials: dict) -> None:        try:            CrossRefQueryDOITool().fork_tool_runtime(                runtime={                    "credentials": credentials,                }            ).invoke(                user_id="",                tool_parameters={                    "doi": "10.1007/s00894-022-05373-8",                },            )        except Exception as e:            raise ToolProviderCredentialValidationError(str(e))
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