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interface WasmCrate {  name: string;  getDependencyVersion(name: string): string | undefined;}
export const versions = {  wasmBindgen: "0.2.81",  wasmBindgenFutures: "0.4.31",  jsSys: "0.3.58",  webSys: "0.3.58",};
export function verifyVersions(crate: WasmCrate) {  verifyVersion(crate, "wasm-bindgen", versions.wasmBindgen);  verifyVersionAllowNone(    crate,    "wasm-bindgen-futures",    versions.wasmBindgenFutures,  );  verifyVersionAllowNone(crate, "js-sys", versions.jsSys);  verifyVersionAllowNone(crate, "web-sys", versions.webSys);}
function verifyVersionAllowNone(  crate: WasmCrate,  name: string,  expectedVersion: string,) {  const actualVersion = crate.getDependencyVersion(name);  if (actualVersion != null) {    verifyVersionInner(      crate,      name,      actualVersion,      expectedVersion,    );  }}
function verifyVersion(  crate: WasmCrate,  name: string,  expectedVersion: string,) {  verifyVersionInner(    crate,    name,    crate.getDependencyVersion(name),    expectedVersion,  );}
function verifyVersionInner(  crate: WasmCrate,  name: string,  actualVersion: string | undefined,  expectedVersion: string,) {  if (actualVersion !== expectedVersion) {    throw new Error(      `The crate '${crate.name}' must have a dependency on ${name} ` +        `${expectedVersion} (found ` +        `${actualVersion ?? "<NOT FOUND>"}).`,    );  }}