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// global module configurationinterface Context extends ValidatorContext {}
interface ValidatorContext {  validate?: (xml: string) => Promise<any>;}
const context: Context = {  validate: undefined};
export function getContext() {  return context;}
export function setSchemaValidator(params: ValidatorContext) {
  if (typeof params.validate !== 'function') {    throw new Error('validate must be a callback function having one arguemnt as xml input');  }
  // assign the validate function to the context  context.validate = params.validate;
}