https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Expression parsing support within a Spring application context.

/**
 * Expression parsing support within a Spring application context.
 */
@NonNullApi
@NonNullFields
package org.springframework.context.expression;

import org.springframework.lang.NonNullApi;
import org.springframework.lang.NonNullFields;