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Creates a FunctionDeclaration from a Java static method
Note:: If you don't want to manually provide parameter names, you can ignore
orderedParameterNames and compile your code with the "-parameters" flag. In this case, the
parameter names can be auto retrieved from reflection.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Class FunctionDeclarationMaker (1.32.0)\n\n public final class FunctionDeclarationMaker\n\n**Deprecated.** *This class and its package are deprecated. See the [migration guide](https://cloud.google.com/vertex-ai/generative-ai/docs/deprecations/genai-vertexai-sdk#java) for more details.*\n\nHelper class to create [com.google.cloud.vertexai.api.FunctionDeclaration](/vertex-ai/generative-ai/docs/reference/java/latest/com.google.cloud.vertexai.api.FunctionDeclaration) \n\nInheritance\n-----------\n\n[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e FunctionDeclarationMaker \n\nInherited Members\n-----------------\n\n[Object.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--) \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-) \n[Object.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)\n\nStatic Methods\n--------------\n\n### fromFunc(String functionDescription, Method function, String\\[\\] orderedParameterNames) (deprecated)\n\n public static FunctionDeclaration fromFunc(String functionDescription, Method function, String[] orderedParameterNames)\n\nCreates a FunctionDeclaration from a Java static method\n\n**Note:** : If you don't want to manually provide parameter names, you can ignore\n`orderedParameterNames` and compile your code with the \"-parameters\" flag. In this case, the\nparameter names can be auto retrieved from reflection.\n\n### fromJsonObject(JsonObject jsonObject) (deprecated)\n\n public static FunctionDeclaration fromJsonObject(JsonObject jsonObject)\n\nCreates a FunctionDeclaration from a JsonObject\n\n### fromJsonString(String jsonString) (deprecated)\n\n public static FunctionDeclaration fromJsonString(String jsonString)\n\nCreates a FunctionDeclaration from a JsonString\n\nConstructors\n------------\n\n### FunctionDeclarationMaker() (deprecated)\n\n public FunctionDeclarationMaker()"]]
