code: function isLLDelegatecall050 (node) {
    return isMemberAccess(node,
            exactMatch(util.escapeRegExp(lowLevelCallTypes['DELEGATECALL-v0.5'].type)),
            undefined, matches(basicTypes.PAYABLE_ADDRESS, basicTypes.ADDRESS), exactMatch(lowLevelCallTypes['DELEGATECALL-v0.5'].ident))
  }
docs: True if low level delegatecall (solidity >= 0.5)
  @node {ASTNode} some AstNode
  @return {bool}