@type t() ::
  integer()
  | :EVIDENCE_TECHNIQUE_SOURCE_CODE_ANALYSIS
  | :EVIDENCE_TECHNIQUE_BINARY_ANALYSIS
  | :EVIDENCE_TECHNIQUE_MANIFEST_ANALYSIS
  | :EVIDENCE_TECHNIQUE_AST_FINGERPRINT
  | :EVIDENCE_TECHNIQUE_HASH_COMPARISON
  | :EVIDENCE_TECHNIQUE_INSTRUMENTATION
  | :EVIDENCE_TECHNIQUE_DYNAMIC_ANALYSIS
  | :EVIDENCE_TECHNIQUE_FILENAME
  | :EVIDENCE_TECHNIQUE_ATTESTATION
  | :EVIDENCE_TECHNIQUE_OTHER