License for Studio Built in textures

In the process of developing a third-party application with the objective of enhancing the developer experience, I am seeking clarification on the appropriateness of utilizing Roblox Studio’s built-in textures, such as the one depicted below, within my software. I understand that these textures are likely licensed, but I would appreciate confirmation on whether their use is permitted, if the software is directly linked to roblox development.

Thank you.

Materials in questions:
image

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