FilterSpecByPaths removes unnecessary paths and definitions used by those paths.

FilterSpecByPathsWithoutSideEffects removes unnecessary paths and definitions used by those paths.

MergeSpecs copies paths, definitions and parameters from source to dest, rename definitions if needed.

MergeSpecsFailOnDefinitionConflict is different from MergeSpecs as it fails if there is a definition or parameter conflict.

MergeSpecsIgnorePathConflictDeprecated is the same as MergeSpecs except it will ignore any path conflicts by keeping the paths of destination.

MergeSpecsIgnorePathConflictRenamingDefinitionsAndParameters is the same as MergeSpecs except it will ignore any path conflicts by keeping the paths of destination.