1 files changed, 39 insertions, 0 deletions
diff --git a/intl/icu_capi/js/package/lib/ICU4XCaseMapCloser.d.ts b/intl/icu_capi/js/package/lib/ICU4XCaseMapCloser.d.ts
new file mode 100644
index 0000000000..61af474e1f
--- /dev/null
+++ b/intl/icu_capi/js/package/lib/ICU4XCaseMapCloser.d.ts
@@ -0,0 +1,39 @@
+import { char } from "./diplomat-runtime"
+import { FFIError } from "./diplomat-runtime"
+import { ICU4XCodePointSetBuilder } from "./ICU4XCodePointSetBuilder";
+import { ICU4XDataProvider } from "./ICU4XDataProvider";
+import { ICU4XError } from "./ICU4XError";
+
+/**
+
+ * See the {@link https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html Rust documentation for `CaseMapCloser`} for more information.
+ */
+export class ICU4XCaseMapCloser {
+
+  /**
+
+   * Construct a new ICU4XCaseMapper instance
+
+   * See the {@link https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.new Rust documentation for `new`} for more information.
+   * @throws {@link FFIError}<{@link ICU4XError}>
+   */
+  static create(provider: ICU4XDataProvider): ICU4XCaseMapCloser | never;
+
+  /**
+
+   * Adds all simple case mappings and the full case folding for `c` to `builder`. Also adds special case closure mappings.
+
+   * See the {@link https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_case_closure_to Rust documentation for `add_case_closure_to`} for more information.
+   */
+  add_case_closure_to(c: char, builder: ICU4XCodePointSetBuilder): void;
+
+  /**
+
+   * Finds all characters and strings which may casemap to `s` as their full case folding string and adds them to the set.
+
+   * Returns true if the string was found
+
+   * See the {@link https://docs.rs/icu/latest/icu/casemap/struct.CaseMapCloser.html#method.add_string_case_closure_to Rust documentation for `add_string_case_closure_to`} for more information.
+   */
+  add_string_case_closure_to(s: string, builder: ICU4XCodePointSetBuilder): boolean;
+}