remove useless function
remove unuse var
Revert "remove unuse var"

This reverts commit aed2cb02e8edfb19d3dd144ebbdc8a903778ebb6.
remove unuse vars
Revert "remove unuse vars"

This reverts commit 901a40347f32d0a6164a188a4519a420e7306a12.
remove unuse vars
add author
add author
add some comments
rename record
add comments for breakpooint manager
fix warning
add comments for breakpoint recorder
Add Breakpoint Setter interface
rename
add comments
fix warning
add comments
GPL
add comment