| ivyroot | the root of the ivy repository. | Yes, but may be provided through ${ivy.ivyrep.default.ivy.root} since 2.0 | 
    | ivypattern | a pattern describing the layout of the ivy repository. | No, defaults to ${ivy.ivyrep.default.ivy.pattern} | 
    | artroot | the root of the artifacts repository. | No, defaults to ${ivy.ivyrep.default.artifact.root} | 
    | artpattern | a pattern describing the layout of the artifacts repository. | No, defaults to ${ivy.ivyrep.default.artifact pattern} |