text: import { graphql } from "gatsby"
  import { string } from "prop-types"
  
  export const EducationHistoryType = {
    school: string.isRequired,
    period: string,
    level: string,
    url: string,
  }
  
  export const query = graphql`
    fragment EducationHistoryFragment on EducationHistoryYaml {
      school
      period
      level
      url
    }
  `
  