The OAuth 2.0 grant types that are defined for Matrix in https://spec.matrix.org/v1.17/client-server-api/#grant-types
See https://spec.matrix.org/v1.17/client-server-api/#authorization-code-grant
Experimental
The OAuth 2.0 Device Authorization Grant type identifier as per https://www.rfc-editor.org/rfc/rfc8628.html#section-7.2 from MSC4341.
Note that this is UNSTABLE and may have breaking changes without notice.
https://spec.matrix.org/v1.17/client-server-api/#refresh-token-grant
The OAuth 2.0 grant types that are defined for Matrix in https://spec.matrix.org/v1.17/client-server-api/#grant-types