export namespace RubyJsRubyRuntime {
  export function rubyShowVersion(): void;
  export function rubyInit(args: Array<string>): void;
  export function rubyInitLoadpath(): void;
  export function rbEvalStringProtect(str: string): [RbAbiValue, number];
  export function rbFuncallvProtect(recv: RbAbiValue, mid: RbId, args: Array<RbAbiValue>): [RbAbiValue, number];
  export function rbIntern(name: string): RbId;
  export function rbErrinfo(): RbAbiValue;
  export function rbClearErrinfo(): void;
  export function rstringPtr(value: RbAbiValue): string;
  export function rbVmBugreport(): void;
  export function rbGcEnable(): boolean;
  export function rbGcDisable(): boolean;
  export function rbSetShouldProhibitRewind(newValue: boolean): boolean;
  /**
   * XXX: Do we really need them?
   * wrap-js-value: func(value: js-abi-value) -> rb-abi-value;
   * to-js-value: func(value: borrow<rb-abi-value>) -> js-abi-value;
   * Transfer the value from Ruby to JS
   * 
   * 1. Ruby side registers the value in the stage
   * 2. Ruby side calls JS's `import-rb-value-from-rb()`
   * 3. `import-rb-value-from-rb()` calls `export-rb-value-to-js()`
   * 4. `export-rb-value-to-js()` returns the staged value
   */
  export function exportRbValueToJs(): RbAbiValue;
  export { RbAbiValue };
}
import type { JsAbiValue } from './ruby-js-js-runtime.js';
export { JsAbiValue };
export type RbErrno = number;
export type RbId = number;

export class RbAbiValue {
}