Function inspectPngMetadata
Inspect PNG tEXt chunks without interpreting their values.
imageio .png_read .PngMetadataInfo inspectPngMetadata(
scope const(ubyte)[] file,
scope PngTextChunk[] textChunks
) pure nothrow @nogc @safe;
Returned ranges borrow file and remain valid only while the caller retains that input buffer. No colour, locale or application semantics are applied.