--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/foobar2000/SDK/playlistColumnProvider.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,30 @@
+#pragma once
+
+namespace fb2k {
+	//! Declares a column to be made available in Default UI playlist view, \n
+	//! without user having to manually enter title formatting patterns.
+	class playlistColumnProvider : public service_base {
+		FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT(playlistColumnProvider);
+	public:
+		//! Number of columns published by this object.
+		virtual size_t numColumns() = 0;
+		//! Unique identifier of a column.
+		virtual GUID columnID(size_t col) = 0;
+		//! Formatting pattern used for displaying a column.
+		virtual fb2k::stringRef columnFormatSpec(size_t col) = 0;
+		//! Optional; sorting pattern used for this column. Return null to use display pattern for sorting.
+		virtual fb2k::stringRef columnSortScript(size_t col) = 0;
+		//! Name of the column shown to the user.
+		virtual fb2k::stringRef columnName(size_t col) = 0;
+		//! Display flags (alignment). \n
+		//! See flag_* constants.
+		virtual unsigned columnFlags(size_t col) = 0;
+
+		static constexpr unsigned
+            flag_alignLeft = 0, flag_alignRight = 1 << 0, flag_alignCenter = 1 << 1, // alignment
+            flag_numeric = 1 << 2, // prefer fixed width font, not all renderers support this
+            flag_positionDependant = 1 << 3, // value changes with position in playlist, mainly used by list index etc
+            flag_glyphs = 1 << 4; // internal/reserved
+		static constexpr unsigned flag_alignMask = (flag_alignLeft|flag_alignRight|flag_alignCenter);
+	};
+}