message: fix for #Issue
diff: @@ -614,6 +614,8 @@ declare namespace PptxGenJS {
  'table' = 'tbl',
  'media' = 'media',
  }
  + export type PLACEHOLDER_TYPE = 'title' | 'body' | 'pic' | 'chart' | 'tbl' | 'media'
  +
  export type SHAPE_NAME =
  | 'accentBorderCallout1'
  | 'accentBorderCallout2'
  @@ -934,7 +936,7 @@ declare namespace PptxGenJS {
  }
  export interface PlaceholderProps {
  name: string
  - type: PLACEHOLDER_TYPES
  + type: PLACEHOLDER_TYPE
  x: Coord
  y: Coord
  w: Coord
  