Add Firebase AI KSP Processor

firebase-ai-ksp-processor/README.md

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+To build run `./gradlew :publishToMavenLocal`
+
+To integrate: add the following to your app's gradle file:
+
+```declarative
+plugins {
+    id("com.google.devtools.ksp")
+}
+dependencies {
+    implementation("com.google.firebase:firebase-ai-ksp-processor:1.0.0")
+    ksp("com.google.firebase:firebase-ai-ksp-processor:1.0.0")
+}
+```

firebase-ai-ksp-processor/build.gradle.kts

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+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+  kotlin("jvm")
+  id("java-library")
+  id("maven-publish")
+}
+
+dependencies {
+  testImplementation(kotlin("test"))
+  implementation(libs.symbol.processing.api)
+  implementation(libs.kotlinpoet.ksp)
+}
+
+tasks.test { useJUnitPlatform() }
+
+kotlin { jvmToolchain(21) }
+
+publishing {
+  publications {
+    create<MavenPublication>("mavenKotlin") {
+      from(components["kotlin"])
+      groupId = "com.google.firebase"
+      artifactId = "firebase-ai-ksp-processor"
+      version = "1.0.0"
+    }
+  }
+  repositories {
+    maven { url = uri("m2/") }
+    mavenLocal()
+  }
+}

firebase-ai-ksp-processor/gradle.properties

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+kotlin.code.style=official

firebase-ai-ksp-processor/src/main/kotlin/com/google/firebase/ai/annotations/Generable.kt

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+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.firebase.ai.annotations
+
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.SOURCE)
+public annotation class Generable()

firebase-ai-ksp-processor/src/main/kotlin/com/google/firebase/ai/annotations/Guide.kt

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+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.firebase.ai.annotations
+
+@Target(AnnotationTarget.CLASS, AnnotationTarget.PROPERTY)
+@Retention(AnnotationRetention.SOURCE)
+public annotation class Guide(
+  public val description: String = "",
+  public val minimum: Double = -1.0,
+  public val maximum: Double = -1.0,
+  public val minItems: Int = -1,
+  public val maxItems: Int = -1,
+  public val format: String = "",
+)