1 files changed, 28 insertions, 0 deletions
diff --git a/intl/icu_capi/js/package/lib/ICU4XBcp47ToIanaMapper.d.ts b/intl/icu_capi/js/package/lib/ICU4XBcp47ToIanaMapper.d.ts
new file mode 100644
index 0000000000..17eb632b74
--- /dev/null
+++ b/intl/icu_capi/js/package/lib/ICU4XBcp47ToIanaMapper.d.ts
@@ -0,0 +1,28 @@
+import { FFIError } from "./diplomat-runtime"
+import { ICU4XDataProvider } from "./ICU4XDataProvider";
+import { ICU4XError } from "./ICU4XError";
+
+/**
+
+ * An object capable of mapping from a BCP-47 time zone ID to an IANA ID.
+
+ * See the {@link https://docs.rs/icu/latest/icu/timezone/struct.IanaBcp47RoundTripMapper.html Rust documentation for `IanaBcp47RoundTripMapper`} for more information.
+ */
+export class ICU4XBcp47ToIanaMapper {
+
+  /**
+
+   * See the {@link https://docs.rs/icu/latest/icu/timezone/struct.IanaBcp47RoundTripMapper.html#method.new Rust documentation for `new`} for more information.
+   * @throws {@link FFIError}<{@link ICU4XError}>
+   */
+  static create(provider: ICU4XDataProvider): ICU4XBcp47ToIanaMapper | never;
+
+  /**
+
+   * Writes out the canonical IANA time zone ID corresponding to the given BCP-47 ID.
+
+   * See the {@link https://docs.rs/icu/latest/icu/datetime/time_zone/struct.IanaBcp47RoundTripMapper.html#method.bcp47_to_iana Rust documentation for `bcp47_to_iana`} for more information.
+   * @throws {@link FFIError}<{@link ICU4XError}>
+   */
+  get(value: string): string | never;
+}